[jogl2] updating to 2.0.2 stable release

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27480 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
[giac] support for Tangent[ <point on curve>, conic/implicit curve]

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27481 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e