Created squared, POT skin textures, in order to apply GL_LINEAR_MIPMAP_NEAREST minification bilinear filtering.
Added screenSize to configChanges.
Changed minSdkVersion from 11 to 10.
Fixed compatilibity issues with older devices (API level 10).
Fixed bug triggered if leaving the video view while recording.
Fixed small BackgroundExecutor bug.
Fixed Android KitKat fileChooser bug.
Updated libgdx version to 1.0.0 fix #366
Merge pull request #369 from RotaruDan/skinImprovements

Skin improvements and other bugfixes.
TagsComponent and TagsProcessor addedAdding a TagsProcessor and TagsComponent for processing tags. The Tags component was already available in the model but not in engine
Merge pull request #370 from imartinezortiz/release-engineering

Release engineering (Nightly portable releases)
Merge pull request #374 from anserran/libgdx-version

Updated libgdx version to 1.0.0 fix #366
Updated ImageBorderTracer to detect clicks inside polygons with holes
- Some minor refactor in MarchingSquares algorithm
Added collider polygons to Image Renderer
Updated demo to add colliders to the bee frames
Some minor changes in VarsContext so complex types (e.g. Entity) can be used for declaring variables
Merge pull request #375 from anserran/colliders

Added colliders to Image Renderer (instead of having them at entity level, as before)
VariablesSystem updated so a "$this" entity variable can be used to set context.
Other systems and ChangeVarExecutor had to be updated since they use VariablesSystem
HasTag operator added to expressions. Test updated
Simple AddComponent effect