Fix errors in autonomous tutorials

[aa-dit-yuh]

Bug report:

- ./_site/tutorial/auto/accelero/index.html
  *  External link http://robotix.in/uploads/15.png failed: 404 No error
- ./_site/tutorial/auto/dcmotors/index.html
  *  External link https://lh3.googleusercontent.com/POr8gkS9_UaRqcJGNTZHSmvyzL2-9lfLbYU37LbKZaw_T9ryPH2iBC0kHN1h1U1pLBRHdtZWGoAy-Zzq7FSh89IF-mRRWm5g3dNLbesErvO6MPu7RosM5Vfx failed: 404 No error
  *  External link https://lh3.googleusercontent.com/f-SeEh3Sp5En-7nyRKz30V_f8lp9DcBp9YdzoiEh3HHRZX_KfR5k1phRdzaDyx1fTxWIEbEqEXJqd_2AV9WrtD0IN8jbHu6iJHct3-p4VKrRRhKMo9q_F2gB failed: 404 No error
  *  External link https://lh3.googleusercontent.com/nVemPMktPFiJ_VfJhN4FyQM5cnfIw1M30V6kGzXhRlfrKDDHl0lV-ALO90BSTADNGgUKjpSF8oQNKu-UxS8hCDMy11JBKOAu2s8j2uX7AQ1E7y500X7g3CFU failed: 404 No error
  *  External link https://lh3.googleusercontent.com/p3xnEgLlFbquZkj0NPzLjnZERbsvFwAUbWP-VGAY-vuyTmmKV2-DLstjS33Jwc6CWnNpoiM5QKpwkIP45b5laNpezHsFeASejpb4b3hOLnKrH14ZOC-cyKKx failed: 404 No error
  *  External link https://lh3.googleusercontent.com/yfI3jV765yHoRsaURlx9egD1QHJZ3Nrhi8KcqnPVT-Q6vRCI21EsVQReRo2gqxdA0c9KdpICN7zNxIXoduIhYId6UJHuj6jaoNCDLtCvfRGoGlPHJnW3mb7y failed: 404 No error
  *  External link https://lh5.googleusercontent.com/maXuvdayH5ILTD8yDv6zK6XQVq98hvwxwAYqKITs47aeCjOyJMJMqqdMWbBu9odfkQBu2aSpCAZoB6OdK1JOWW_KNgGa6ZR5REdzW_d1rFwHAZKQo8Zk2fEN failed: 404 No error
  *  External link https://lh6.googleusercontent.com/ujwpZa1SdLoQ9cEcz3pPMRKTzO4YCEAFCxQ9G0FVhIART9HHLfa-98gsgc10Y8AhSZlq9bXGWR1M2P364Oc7Ju99OZ7eBjmhEjcYXcU2p5BhxYOPcZa6NYFm failed: 404 No error
- ./_site/tutorial/auto/grid/index.html
  *  External link https://www.robotix.in/tutorials/category/avr/linefollower failed: 404 No error
- ./_site/tutorial/auto/ic555/index.html
  *  External link https://lh3.googleusercontent.com/4pxR0AsHC6C2K3FvVLipo2sCdndA7Naor_Adm-sD4vr4aNW45Rq4OfiTspz8-WKRcRm4lgT1BBpDQBMsUhg9D5diUuXyMFObMZlDYmXpdwpJCSRnVMwy3n4N failed: 404 No error
  *  External link https://lh3.googleusercontent.com/SpiqF6S5cETHCoeP-20Jg5A-nCDrqgSAUWzxkl4Wtn8T7eez89vPL4tQO5ZKD6p8s7zscBDIIV6Ko5lrnIQl_gd0npf88VcBRsuchgKu5MubG-YHfSKIc3bd failed: 404 No error
  *  External link https://lh4.googleusercontent.com/gQBy_EBgHupZ6QwC8BQOgwxn0rDfyiIIEPIUfRKgIkyKmvFDVnjrYkEHk5teNz6sM732cZrs2Ki8hD8FReodIHdpjeKjjDzHNkBfook3xzYVupMFQ8ImspE4 failed: 404 No error
  *  External link https://lh4.googleusercontent.com/vCUptYVmDF2mlXOw9-D7f9lCp0pXm9CiVmgd7H0Psd8-VEZQzDWqMilMgCgIT1jNTpleUbq_phxMynkcfpEs0Ahy8d-6XVwiQOP-wcpA75lZiv_xBmv5HyPL failed: 404 No error
  *  External link https://lh5.googleusercontent.com/0Bs64BkP0d_CbC24yKSI4uNsUqO2UyTzyQTtJQ_YnQC7GIK0ZDwJUeLEIqgeGMH--mYdKppjQNjaISlg6TCvrbunf32-TEHC_VT6lHY-zlAkYJIaV_qhwOS7 failed: 404 No error
  *  External link https://lh5.googleusercontent.com/XaU_Ne_9YbDYdi_Jzdzh3GYSzcI5kUFD57yno3_DXWda88zSQAo_JEI3iltjUi9chldZhMl4GAfI74OBtyM_qRETy8XV3v_VWPvt0pwru-YtWFJzew9r4UKW failed: 404 No error
  *  External link https://lh6.googleusercontent.com/OcK7PgNeAlX0HzsCHgMAMuMx8I73b345axOOS1Nd8akfJuOUZISSaBsaikhePCr7NQQSW3TkCPR4tC0IafWHn1iMaEo6ImDmtHPhYNY6AYpJq3qci7rnRUCK failed: 404 No error
- ./_site/tutorial/auto/lcd/index.html
  *  External link http://mil.ufl.edu/4744/docs/lcdmanual/commands.html failed: 404 No error
  *  External link http://web.alfredstate.edu/weimandn/lcd/lcd_addressing/lcd_addressing_index.html failed: 404 No error
- ./_site/tutorial/auto/lfr/index.html
  *  External link https://lh3.googleusercontent.com/8DYv_kcOIAL0qDc1ZwN-fKfsBBv4NKkaAiFTTPaICVNsxqITiCZfHwCRRMwFqMJzkvOj_FyVPgRr3MD8NUFIbp5TP5ut3KXVOUdS-qcytR6nYlz0Dj4YdJNu failed: 404 No error
  *  External link https://lh3.googleusercontent.com/AI3k4dwdBP3lgctsGuDoXOw2GNWDz8_qT0mGAw6iN2oNHfXWo0QpJLvT3vBxVKmmlhayUOlBTDHmD59v2YmtoAOiZt2WK54GdAbIG9zXHCWQeN-1qGzUfF9a failed: 404 No error
  *  External link https://lh3.googleusercontent.com/Jx15IBfEohdGlV5TnrVyOfQycd4ETMIpktx98jRQbkW4FJnPQkMiWnCHOcJxZNzvMgoprj8aQHBNsUfdxxbn55qxXdi3HiKJeJR7lUq6W-wopGfhigakZtFn failed: 404 No error
  *  External link https://lh3.googleusercontent.com/RpQXniInH__SYpIIjLBGwSfV3bGu9PMOCPL6YN9U745KUvzrYJ19KP3TpgYPRL9itRfq82BycX14RAbmaXIzR-aZH78b4ieoOthgmw-0a27wCeraOLnUTxCk failed: 404 No error
  *  External link https://lh4.googleusercontent.com/CCHgqQ53musboRciwh0lx9YkweH-BonrZ-LOECgpK_wNqv6wRUaCr_vp6c3wJ8tlT7jY__WZaLiMZdFAHrvl7ekhZo8f1qftrP7dWHWf8eRe7j0SEwHILzIL failed: 404 No error
  *  External link https://lh6.googleusercontent.com/OQvDk0xsTxz1NAD8hWo-1GvTznJSoZIzPoGDxtZkVRGYBQoFtI40Oo1OEzFzJjFt0ucOpGAxKnwNSNn_e6yNk3YVyLkGGdWme7GmmsSBaoAC0EgmQFycZ65o failed: 404 No error
- ./_site/tutorial/auto/lfrbjt/index.html
  *  External link https://lh4.googleusercontent.com/jxjhp1PiCIgwMtBZan9maY-W6ZsAhxIOXfDPsPJOPFfh3_9rKYtEEwSPghnfkWu6b8H0TyA85ctsTMvVkLaaE2W_gjz1LnIRUD730fueKB7lTJ_jULQvFCnD failed: 404 No error
  *  External link https://lh5.googleusercontent.com/edBlJrjfbW7IyJVrDQSvQ3SWhY9PlC-KioxenOhUpkYT8uT6FWWyoQ2SO8ZwjY_Jy711NYA6wVmKaH6DK2n8YTCh766AyENkvc_PYWJE9H2toIN3CjeBVZaK failed: 404 No error
  *  External link https://lh5.googleusercontent.com/zfYodcIU0p_agqyGhRL8KhCHwcPRy0UCw_B8Nc9Nqe30JjqVS-K5gsr1uIhjW7QCZzG409tO_7esb3mIhIzWCaC83fw7OtA7eY4qu6CEWaIyDgw8zf_RUns7 failed: 404 No error
  *  External link https://www.robotix.in/tutorials/categ/kraig/kraig301 failed: 404 No error