Put check_unity() inside a try-except. Fixed #107.

screen.get_active_window() return None if the i3 window manager is used.
Clean up unneeded code
Cosmetic refactoring
Typo
Remove distracting log messages
Name refactoring
Minor refactoring
Put the brace-shifting code into a method
Code explanation and formatting
Port config GUI tool to PyQt4. Fixed #111.
Name refactoring
Comment change
Fix a missing "self" error
Merge pull request #106 from phaikawl/master

Fix the bug with autocomplete.
Add IRC link to README
Edit Readme
Edit README
Merge branch 'master' into upd

Conflicts:
	ibus_engine/ibus_engine.py