#4776 - fix

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37795 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
[cas] fix for sending eg 4.35372862870553E8 to Giac

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37796 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
5.0.44.0

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37797 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
[web] make sure Manage Tools is pre-release only

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37798 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#4627 - Copy Image enabled for tablets

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37799 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
new version of the on-screen keyboard (not used by now)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37800 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Fix dialog box ESC key

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37801 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e