Merge pull request #25 from nebula2d/development

Merge pull request #24 from nebula2d/master
Merge pull request #27 from jonbonazza/master

cleanup and avocado (script editor) module addition
Merge pull request #29 from nebula2d/development

Development
Merge pull request #31 from nebula2d/development

Development
Merge pull request #34 from nebula2d/development

Development
Merge pull request #37 from nebula2d/development

Development
Merge pull request #39 from nebula2d/development

Development
Merge pull request #43 from nebula2d/development

Development
migrated to libgdx 1.0.0
Merge branch 'master' of https://github.com/nebula2d/nebula2d
New scenes can be created from editor
scenes can be changed from editor
bug fixes
minor refactoring
Merge pull request #44 from jonbonazza/master

features, bug fixes, improvements