[giac] working on OSX, hopefully

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26278 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
typo

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26279 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
typo

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26280 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Refactoring mirror at point (uses Coords instead of GeoPoint)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26281 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e