IDEX-1667: send GenerateDescriptor with NewProject
Fix loader handling: only call hide(...) when the loader is shown
Merge pull request #356 from codenvy/IDEX-1667

IDEX-1667: send GenerateDescriptor with NewProject
Merge pull request #355 from mleduque/IDEX-1689-fix

Fix loader handling: only call hide(...) when the loader is shown
IDEUI-390 Complete refreshing of Keybindings settings . Fixing bug: if
no keymap preferences have been persisted yet, it won't refresh properly 

Task-Url: https://jira.codenvycorp.com/browse/IDEUI-390
Merge pull request #357 from sunix/IDEUI-390

IDEUI-390 Complete refreshing of Keybindings settings . Fixing bug: if
IDEX-1595. Added keylistener in CategoryNodeElement.
Merge pull request #358 from codenvy/IDEX-1595

IDEX-1595. Added keylistener in CategoryNodeElement.
IDEX-1693. Fixed: Open project works incorrect when the previous project didn't stop.