rendered stage centring.
Remove unnecessary anchor point settings.
Merge branch 'develop' of https://github.com/apportable/SpriteBuilder into develop
Test target added to SpriteBuilder.
First test added to compare written and read CCB versions.
Merge pull request #522 from NickyWeber/feature/test_target_added_to_sb

Test target added to SpriteBuilder.
Add set size from texture button to CCButton Inspector.
Create InspectorButton
adjust button text.
Merge pull request #525 from jtwigg/develop

Add Reset preffered size button to CCButton inspector.