Better gitignore for IntelliJ (this should include configuration settings so users can share)

[mhulse]

To be researched and cleaned up!

# https://github.com/github/gitignore
# https://intellij-support.jetbrains.com/hc/en-us/articles/206544839-How-to-manage-projects-under-Version-Control-Systems
# https://github.com/github/gitignore/blob/master/Global/JetBrains.gitignore

_compareTemp
!gradle-wrapper.jar
._*
.\#*
.apt_generated
.buildpath
.classpath
.cproject
.cvs
.DS_Store
.DS_Store?
.elc
.externalToolBuilders/
.factorypath
.gradle
.idea_modules/
.idea/**/contentModel.xml
.idea/**/dataSources.ids
.idea/**/dataSources.local.xml
.idea/**/dataSources/
.idea/**/dbnavigator.xml
.idea/**/dictionaries
.idea/**/dynamic.xml
.idea/**/gradle.xml
.idea/**/libraries
.idea/**/mongoSettings.xml
.idea/**/shelf
.idea/**/sqlDataSources.xml
.idea/**/tasks.xml
.idea/**/uiDesigner.xml
.idea/**/usage.statistics.xml
.idea/**/workspace.xml
.idea/caches/build_file_checksums.ser
.idea/httpRequests
.idea/replstate.xml
.java-version
.loadpath
.metadata
.mtj.tmp/
.mvn/timing.properties
.pdm
.project
.pydevproject
.settings
.settings/
.Spotlight-V100
.springBeans
.sts4-cache/
.svn
.svn/
.target
.Trashes
.vscode
[_]notes/
*.[lL][cC][kK]
*.7z
*.bak
*.class
*.com
*.db
*.dll
*.dmg
*.ear
*.egg*
*.exe
*.gz
*.iml
*.ipr
*.iso
*.iws
*.jar
*.launch
*.log*
*.mno
*.o
*.pid
*.py[cdo]
*.pydevproject
*.rar
*.seed
*.so
*.sqlite
*.sublime-workspace
*.swo
*.swp
*.tar
*.tgz
*.tmp
*.war
*.zip
*~
*~.nib
/.emacs.desktop
/.emacs.desktop.lock
/bootstrap
/dependencies.xml
/out/
\#*\#
atlassian-ide-plugin.xml
auto-save-list
bin/
build/
buildNumber.properties
cmake-build-*/
com_crashlytics_export_strings.xml
configs/
crashlytics-build.properties
crashlytics.properties
dependency-reduced-pom.xml
Desktop.ini
dwsync.xml
ehthumbs.db
fabric.properties
gradle-app.setting
hs_err_pid*
Icon^M^M
local.properties
out/
pids
pom.xml.next
pom.xml.releaseBackup
pom.xml.tag
pom.xml.versionsBackup
release.properties
reports
sitemap.xml.gz*~
System\ Volume\ Information/
target/
Thumbs.db
tmp/
tramp