From Valeriy Onuchin:  few more improvements of key handling in popup menus:  -  deactivate menu title when Return,Escape keys pressed  - skip disabled menu entries during "arrow keys navigation"
From Valeriy Onuchin:
 few more improvements of key handling in popup menus:
 -  deactivate menu title when Return,Escape keys pressed
 - skip disabled menu entries during "arrow keys navigation"


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@9224 27541ba8-7e3a-0410-8455-c3a389f83636

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