Adding lines and licenses
Merge branch 'jl_gridExamples' into jl_mixinsExamples

Conflicts:
	webapp/src/main/java/com/google/gwt/site/demo/gsss/grid/example1/Example1.java
	webapp/src/main/java/com/google/gwt/site/demo/gsss/grid/example2/Example2.java
Adding licenses