add EuclidianView.setCoordTransformIfNeeded() (tidying r30040, r30039, r30616, r30618) 

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30644 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#3882 satisfy the meaning of the interface

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30645 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#3882 new methods commonized!

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30649 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
autocompletion improvements

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30651 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e