Fixes in GWT backend:
-added log configuration with GwtApplicationConfiguration.log
-more accurate value of GwtGraphics.getDensity()
-Skin emulation takes NinePatch padding into account (copy-paste from not emulated class)
-fixed filtering of asset files in PreloaderBundleGenerator
Merge branch 'master', remote-tracking branch 'origin/master'
add minimized pause
modify structure and add sync
addressed @bitiotic comment to use local variable
delete extra whitespace in empty line
use framerate instead of explicit boolean
Issue 1104: increase consistency in overlaps, intersects and contains
Issue 1104: #intersectRectangles does the same thing as #overlap(Rectangle,Rectangle)
reorder methods
chain individual statements together
some informal tests to illustrate the difference in #contains and #overlaps between the various regions
issue-1104 touching circles do not overlap
issue-1104 points on the border count as 'contained'
issue-1104 touching BoundingBoxes are not 'contained', rewrite BoundingBox#contains in same form as others
issue-1104 add Circle#contains(Circle)
issue-1104 summarize changes
corrected url for blog post on 0.9.8 release
Joints now can have user data associated with them.
Updated gwt-backend emulation with Joint user data capability.