Fixed compilation of engine-resources R.java file in pom

Removed from .git because it is regenerated on each clean-compile
Several fixes in scripting support

Added initial Scene EditorNode, currently without a usable ui
Merge branch 'master' of github.com:e-ucm/eadventure

Conflicts:
	core/engine-resources/src/main/java/es/eucm/ead/engine/resources/R.java
Added command history to debugger console
Minor fixes
Remoed old reader and writer
Chapters are no longer written into scenes files
Small bug fixe in WatchFieldEv
Work in converter
Improved video
Added maven gwt debug profile
Writer detects duplicated ids in the model
Fix some problems with statics and ids
Some fixes for GWT, also, added an Exporter command line tool