#3917: "Position" tab and StartPointModel is applied for web.

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30661 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
CAS Stylebar will be updated after pressing enter in a cell. (#3530)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30663 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
* Shaders : start geometry
* Shaders : ensure dummy compile compatibility with jogl1

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30664 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e