HgWeb: remove dependency on 'Meta' plugin

As per John Reese [1], the original Meta plugin has been rolled into the
Source Integration framework.

Fixes #95

[1] http://thread.gmane.org/gmane.comp.bug-tracking.mantis.general/3434/focus=3438
no file paths -> no branch fix

changesets with no file paths did not get branch assigned - import broken and could not continue.
FIX: if no file paths, assign trunk branch
Add missing strings
Bump version
SVN fixes (pull request #97)
Fix #66: bitbucket.org integration
Modify copyright
Added BitBucket.org integration (pull request #98)
Fix HTML/CSS for account update form
Replace deprecated <acronym> element by <abbr>

Reference: http://www.w3.org/TR/html5/obsolete.html#acronym
Remove calls to helper_alternate_class()
HTML/CSS fixes for manage_config_page.php

Use a form-container div instead of table
HTML/CSS fixes for SourceSVN config

Use divs instead of table rows/cells
HTML/CSS fixes for index.php
Fix deprecated warning for db_get_table()
Fix PHP warning in search page
CSS improve layout with 'spacer' class for div
SVN: add title in update_config_form()
HTML/CSS fixes for search_page.php
HTML/CSS fixes for repo_manage_page.php