New specs for freezing on OS X
fix DBusMenuExporterPrivate::addAction errors when updating "View" menu

Recent versions of Ubuntu give DBusMenuExporterPrivate::addAction errors when adding the same action multiple times.
Merge pull request #6 from ningfei/develop

fix DBusMenuExporterPrivate::addAction errors when updating "View" menu
Only create the view menu once
Clarify imports plugin vs. console
Fix no longer needed
Merge remote-tracking branch 'origin/develop' into develop

Conflicts:
	bin/freeze/main.spec
Double click on navigation lists no longer initiates item editing on windows
Do not leave zombie processes when starting plugins remotely
Fixed spelling error in settings
Catch AttributeError

Catch AttributeError to make it compatible with future version of spyderlib which may replace rope with jedi.
Merge pull request #7 from ningfei/develop

Once there is an official version of spyderlib with jedi, some more changes will be necessary to re-enable code completion. Until then, this should work nicely.
Start plugin remote action in toolbar
Fixed time axis in spectrogram for analog signals with t_start != 0
Mention paper in About dialog
Mention paper in docs
Version bump
IPython 1.0 compatibility. Missing backwards compatibility with 0.13
New IPython connection also runs with 0.13
IPython 0.12 support
Debug messages in IPython >= 1.0 suppressed