#3211 fix local variables

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28287 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#3503 make string comparison more "robust" :-)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28288 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
fix GWT compiling problems

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28289 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
rename PropertiesPanel -> PropertiesPanelD

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28292 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e