Fix a possible compilation warning

Conflicts:

	src/lowlevel/Surface.cpp
Remove useless template
Replace the default search path on OSX by a wrapper
Merge pull request #179 from vlag/questPatch

Quest patch
Update OSX instruction to add a quest into the bundle
Conflicts:

	install.txt
Fix project-dependent Info.plist lines
Remove a script unrelated to the engine.
Also remove the quests directory in 0.9.
Add an icon for the solarus executable.
Remove quest build files.
Solarus 0.9.3 release.
Merge branch 'v0.9'

Conflicts:
	ChangeLog
	install.txt
	src/lowlevel/Surface.cpp
Merge branch 'master' of github.com:christopho/solarus