GUI: Fix displaying errors twice if simulation is canceled

git-svn-id: http://simulationcraft.googlecode.com/svn/trunk@18027 3b4652a1-8050-0410-ac47-3d40261b0f8b
Fix heroic leap to work with cooldown reduction trinket + glyph.

git-svn-id: http://simulationcraft.googlecode.com/svn/trunk@18028 3b4652a1-8050-0410-ac47-3d40261b0f8b
GUI: Fix displaying import failure messages, add notice of failure to parse a simulateTab, copy ignore key presses from SC_enumeratedTab to SC_TextEdit, set Ctrl+W to close a simulateTab

git-svn-id: http://simulationcraft.googlecode.com/svn/trunk@18030 3b4652a1-8050-0410-ac47-3d40261b0f8b