IDE: keymap options: moved buttons to tree

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41173 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: Fix compilation for FPC 2.6.x in the Heaptrc output window feature

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41174 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: keymap options: popup menu for conflicts

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41175 4005530d-fff6-0310-9dd1-cebe43e6787f