source format + organized imports (#2148)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26439 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
debug messages removed + small fix (not too close for #2148)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26440 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Move ActionEvent and related classes to HTML5

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26441 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e