#4635 Branch dropping to leaf, fixing dropping tool to itself  big

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37290 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Automatic update of propset svn:ignore via for svnignore.txt's by svnignore

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37291 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
[giac] Fixes for the incomplete lower gamma function

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37292 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Navigation bar style for old webkit + IE10 / IE11

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37293 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Changing giac.js to the latest version in web/kickstart.xml

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37294 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e