Upgrade version number to 3.0.0 RC 9
added check for webPane isLoading before telling it to stopLoading
Merge pull request #368 from josh64x2/issue-367

added check for webPane isLoading before telling it to stopLoading
Fix problem w/ heavy spinning animations when updating (issue #373).

Updates the appropriate flag immediately after the folder refresh is done.
Various optimizations of folders’ NSProgressIndicator
Merge pull request #378 from barijaona/bugfixes

Fix issue #373
Added Classy style (contributed by user PMP on cocoaforge)
Upgrade version number to 3.0.0 (finally !)