render_model and render_model_block elements are not hidden in structure mode
Fix tests
fixes issue #2718
fixed an issue when hovering over a menu subchild removing the hover state
fixes #2675
Use Cache backend session only for tests
added double click maximize event to modal window title
jslint fix
hide error when element is disabled
Merge pull request #2715 from yakky/feature/fix_2710_2

render_model and render_model_block elements are not hidden in structure mode
Added missing spaces in deprecation warning.
Merge pull request #2727 from timgraham/missing_spaces

Added missing spaces in deprecation warning.
Add warning for plugin-renaming in the shell
Merge pull request #2721 from FinalAngel/develop

minor improvements
test cleanup
Merge pull request #2733 from yakky/feature/plugin_renaming_warning

Add warning for plugin-renaming in the shell
Merge pull request #2724 from yakky/feature/session_cache_tests

Use Cache backend session only for tests
fix no i18n
Merge pull request #2720 from digi604/fix-2675

fixes #2675 (toolbar language must be in LANGUAGES)
Merge remote-tracking branch 'origin/develop' into xvfbwrapper

Conflicts:
	develop.py