CAS imprvement for #3558

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27864 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
FastButtons update (not working yet!)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27865 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#3503 some fix, but not a solution yet. Problem with impl.getTop() and impl.getLeft() must be counted as environment is counted on canvas. (for the elements that are above the canvas)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27866 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@27867 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
"Insert above" and "Insert below" menus added for CAS context menu, but it's buggy yet. The rows are inserted, but after then if I edit a row, the result appears in an another row. (#3531)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27868 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
GeoGebraCASIntegrationTest:

Changed app being a local variable only,
updated and added test cases for parametrics: ticket #2910.

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27869 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e