better name to reflect behavior
[git] IDEA-132265 Don't send update event on repository initialization

When GitRepository is created, the data is read and saved in myInfo,
which is correct, but there is not need to notify repository
listeners about repository change.
[log] Ignore "All data is illegal" during refresh

This shouldn't actually happen, but it happens so rarely and is so
hard to debug, so let's just log the fact and reload the whole log.
[diff] @NotNull project

It is passed to a @NotNull parameter in DiffPanelImpl#createToolbar
=> should be declared as @NotNull.
Make sure FrameWrapper is disposed on project close, even if setProject was not called.
[git] IDEA-131956 throw PCE if the repository manager has been disposed

We could check for disposal in the calling code instead, but it would
be a lot of cases. On the other case, PCE is already handled fine in
most cases.