added icon for searches in resources

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24542 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Code cleanup

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24543 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #3105: making mathquill tables use spacing (better display)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24544 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e