Added a workaround for different compiler's opinions about static...
Added support for mor than one level pack
Some cleanup
- removed InitDebugStatus, not used
- removed load/save for GlobalStatus::enabledPacks
Add some images
Added buttons for prev/next level pack (fixes #3)
Correctly treat disabled packs.
Only show messages for enabled packs
Some updates to the eastwood levels
Added fire places to the forest map.
Intro text for the night levels (eastwood pack)
Added a Log class
Added some basic log messages
First draft of a tooltip for towers (#20)
validated json file
More log messages and better error reporting if the theme file is not found
Changed Makefile to compile MapEdit with own target
Merge branch 'develop' of https://github.com/borlox/Drachen into develop

Conflicts:
	data/themes/default/theme.js
added filedlg for osx
Reworked tooltip (fixes #20)
Fixed upgrade button showing for not upgradable towers (fixes #23).
Fixed tooltip showing selected tower instead of preview.
Started to implement extended sf::Drawables that can be shown/hidden
Using sfex::Sprite as the base for buttons, using new features in GameUserInterface for Sell/Upgrade buttons (#24)