Fixed indentation, reload file after reverting.
Don't try to revert files not under P4.
Added P4MoveToChangelist command.

Reload buffer after reverting a file.
Merge branch 'development'
Change tabs to spaces.
Added 'usage' to README file.
Added 'usage' to README file.
Open only on save, added options, updated README.

By default, prompt to open the file only when saving a read-only file (setting g:perforce_open_on_save).
Allow prompt when modifying a read-only file (setting g:perforce_open_on_change).
Merge branch 'master' of github.com:nfvs/vim-perforce

Conflicts:
	README.md
Added option to limit auto P4 operations to a set of directories.
Change README headers.