[SVN] r5952 (Subversion)

[Chris Thomas]

• Factor out streaming ERB into a library method.
• Commit now uses ERB.
• Commit now calls exit_discard when the commit is canceled.

Changed:
A   trunk/Bundles/Subversion.tmbundle/Support/Templates/Commit.rhtml
U   trunk/Bundles/Subversion.tmbundle/Support/format_status.rb
U   trunk/Bundles/Subversion.tmbundle/Support/svn_commit.rb
A   trunk/Support/lib/erb_streaming.rb