#3883 CoordsModel and LineEqnModel for both desktop and web. ComboPanel for desktop and ListBoxPanel for web. OptionsTab for web and simplification/refactoring of tab handling

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30291 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
reverting r30286

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30292 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Splitting Renderer : GL2 / GL2ES2

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30293 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Automatic update of propset svn:ignore via for svnignore.txt's by svnignore

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30295 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Attempt to speedup refreshHighlighting (not much related to #3857)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30297 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e