Added save point to commands (to check if there is pending changes to be saved)
Added UITest showing basic widgets
Merge pull request #294 from anserran/commandssave

Added save point to commands (to check if there is pending changes to be saved)
Merge pull request #298 from anserran/uishowcase

Added UITest showing basic widgets
Merge pull request #307 from imartinezortiz/release-engineering

Release engineering (engine-desktop cleanup and JAR exportation support)
Move loaders to package loaders
Extended skin and skinloader to load fonts from .ttf files
Updated skin with new fonts
Fixed labels layout
Using again libgdx TextArea and TextField
Fix layouts of TextFields and TextAreas in Options panel
Some javadoc
Added LICENSES for OpenSans font
Changes after rebased
Merge pull request #297 from anserran/font-generator

Using Font generator instead of font atlas