Added support for Piwik analytics.
Added a template check so that we don't record home page as a site search.
Bootlint Strikes! Putting a .row around all columned/side-menu'd templates.
Refactored Piwik support for better readability and extensibility. Added a couple more custom variables (Sort, Page, Limit, View) to search tracking.
Merge pull request #212 from KDK-Alli/piwik

Added support for Piwik analytics.
Style fix.
Italian translation fixes
Bootlint for User Comments.
Merge branch 'release-2.3' of https://github.com/vufind-org/vufind into release-2.3
Proper columns in hierarchy tree.
Added tests.
Fixed inconsistency between @return and behavior.
- Began test suite.
Merge branch 'release-2.3'

Conflicts:
	themes/bootstrap3/templates/admin/maintenance/home.phtml
	themes/bootstrap3/templates/admin/statistics/home.phtml
	themes/bootstrap3/templates/myresearch/checkedout.phtml
	themes/bootstrap3/templates/myresearch/mylist.phtml
	themes/bootstrap3/templates/search/reservessearch.phtml
Merge branch 'master' of https://github.com/vufind-org/vufind
Filled gaps in coverage.