Build 170709 (alpha)

• conemu#1175: Take into account modifier keys (Ctrl,Alt,Shift) pressed in the hotkey settings field.
• New environment variable ConEmuBaseDirShort contains short path like C:\PROGRA~1\ConEmu\ConEmu.
• conemu#1082: New environment variable ConEmuCfgDir contains directory where xml file was loaded from.
• conemu#1178: Use short path to connector for launching from git-cmd. Recreate defult tasks to obtain changes or edit task command manually (change %ConEmuBaseDir% to %ConEmuBaseDirShort%).