r37523 might still have errors, but fixing them is work in progress (bugs only appear when using UDPLoggerD)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37528 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
There is no image button for turtle. (It has only file opening button.) (#4721)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37529 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Attempt to fix command line compilation


git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37530 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Transparent cursor for 3D input

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37531 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#4728 part 1

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37532 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e