Fixing AppIndicator icon in Ubuntu

- Patched bsync-gui to tell libappindicator to look for the icon inside
  the appimage and not only in the system theme directories
- This closes #4
- Hopefully the patch can be removed when btsync-gui upstream adopts the
  related pull request
- Readme file had been updated to indicate Ubuntu 14.10 is now
  considered to be fully tested

README.md

@@ -15,8 +15,17 @@ The built AppImage will include the GUI created for the
 ## Compatibility
 
 The AppImage is (hopefully) built in such a way that would enable it to run on
-many Linux distributions. That being said, it had only been tested on Fedora 20
-so far.
+many Linux distributions. That being said, it had only been tested on the
+following OSes so far:
+
+- Fedora 20
+- Ubuntu 14.10
+
+The binary downloadable AppImage was also tested and shown not to run on the
+following OSes. It is quite likely that running the build system on thos OSes
+will result in a working AppImage for them:
+
+- RHEL/CentOS 6.x
 
 Binary components included in the AppImage are currtly compatible only with
 64bit intel-based processors (x86-64). Patches to add components for other

btsync_deb_appindicator_path.patch

@@ -0,0 +1,30 @@
+diff --git a/btsync-gui/trayindicator.py b/btsync-gui/trayindicator.py
+index a205cee..e29a0bd 100644
+--- a/btsync-gui/trayindicator.py
++++ b/btsync-gui/trayindicator.py
+@@ -22,6 +22,9 @@
+ #
+
+ import logging
++from os import environ
++from os.path import join as path_join
++from os.path import isdir
+
+ from gi.repository import Gtk, GObject
+
+@@ -47,6 +50,15 @@ class TrayIndicator:
+ 				icon_name,
+ 				AppIndicator.IndicatorCategory.APPLICATION_STATUS
+ 			)
++			# Try to make AppIndicator respect weird paths in XDG_DATA_DIRS
++			for p in environ.get('XDG_DATA_DIRS','').split(':'):
++				if p in ('/usr/share', '/usr/local/share'):
++					continue
++				ip = path_join(p, 'icons')
++				if not isdir(ip):
++					continue
++				self.indicator.set_icon_theme_path(ip)
++				break
+ 			if attention_icon_name is None:
+ 				self.indicator.set_attention_icon(icon_name)
+ 			else:

pavement.py

@@ -92,6 +92,7 @@ def __init__(self, tag='btsync-1.4.1-1', workdir=WORK_DIR):
                 tag, workdir=workdir)
         self.gui_path = self.extract_path / 'btsync-gui'
         self.install_file = self.gui_path / 'debian' / 'btsync-gui-gtk.install'
+        self.patch = path('btsync_deb_appindicator_path.patch')
 
 class QREncode(Package):
     def __init__(self, version='3.4.4', workdir=WORK_DIR):
@@ -186,8 +187,8 @@ def get_appimagekit_src():
 
 @task
 @needs('get_btsync_deb_src')
-def build_btsync_gui_locales():
-    """Build the BySync GUI locale files"""
+def build_btsync_gui():
+    """Build the BySync GUI"""
     btsd=BTSyncDeb()
     locdir = btsd.gui_path / 'locale'
     locdir.mkdir(DIR_MODE)
@@ -197,6 +198,9 @@ def build_btsync_gui_locales():
             dstdir = dstdir / sd
             dstdir.mkdir(DIR_MODE)
         sh("msgfmt -c '%s' -o '%s'" % (pofile, dstdir / 'btsync-gu.mo'))
+    patchabs = btsd.patch.abspath()
+    with pushd(btsd.extract_path):
+        sh("patch -p1 < '%s'" % (patchabs))
 
 @task
 @needs('get_qrencode_src')
@@ -250,7 +254,7 @@ def build_appimagekit():
         sh('make AppImageAssistant')
 
 @task
-@needs('build_btsync_gui_locales')
+@needs('build_btsync_gui')
 def install_btsync_gui():
     """Install the BTSync GUI files to the AppDir"""
     btsd=BTSyncDeb()