Correctly support branch names with slashes

Update views/commit.twig

Fixing double horizontal rule on some pages

Adding anchors to line numbers in commit details

Merge pull request #101 from danielgtaylor/line-numbers

Replace getter calls with direct property access in twig template based on feedback by GromNaN

Show line numbers for diffs in the commit view

Add history link to each file in diff view to make it easier to get to that file's history. It's also possible to view the file at that revision and then press the history button on the page that is loaded after clicking, but this makes it faster and easier as well as more obvious.

Replace explicit getter calls in twig templates by property access

moved the page variable to the templates (belongs to the view)

refactored the tree controller

added another layer

refactored breadcrumb management

fixed URL management

Changed page title from 'Gitlist' to 'GitList'.