Big part of PhysFS support

* removed -mod argument
* removed -datadir argument
* removed -lang argument
* removed some dead ui code
* added resource manager and file loaders (stream and SDL)
* changed interface textures location to match new directory structure
* removed CGameData for mod support
* added PhysFS support
Implemented libsndfile loader in PhysFS
More work on PhysFS support

* added output stream
* fixed music loading
Added Exist() to resource manager, updated model
More work on levels
More work on streams
Last changes
Post-release 0.1.3-alpha
Updated data submodule
Fixed level list
Fixed music loading
Fixed texture and script loading
Fixed mission description loading
Removed some unused code related to Quit button

The button itself has been removed a long time ago
Initial Pootle<->Git integration commit

This commit was automatically generated from http://translations.colobot.info/
Auto-update from Pootle 2014-07-10

This commit was automatically generated from http://translations.colobot.info/
(actually, this is just a manual test commit with some Polish translations :p)
Removed some old stuff related to Ceebot-Teen
Merge branch 'dev' of github.com:colobot/colobot into dev

Conflicts:
	po/de.po
	po/fr.po
	po/pl.po
	po/ru.po
Auto-update from Pootle 2014-07-11

This commit was automatically generated from http://translations.colobot.info/
Merge branch 'dev' into dev-physfs

Conflicts:
	data
	src/app/gamedata.cpp
	src/ui/control.cpp
	src/ui/edit.cpp
	src/ui/maindialog.cpp