auth decorators are not used anymore on __before__
- this will allow to create a whitelist of API enabled controller functions
- moved around functions with _ to beginning of the files to make it cleaner

Implemented file history page for showing detailed changelog for a given file
- fixed git detection of filenode history when executed on directory
- shortlog uses urlify_commit function now

implemented #44 - branch filtering in changelog, aka branch browser
- changed GUI on tags/branches to not use images.

another major codes rewrite:
- created BaseRepo controller for all repo specific controller, and added common data propagation
- removed obosete codes, and made optimizations, removed to often calls to RepoModel
- fixed found bugs in files controller that generated unhandled 500 errors
- cache issues
- removed repo_branches global template values
- journal fixes
- main repo list is fully dict now it's less resource heavy that way

another major code rafactor, reimplemented (almost from scratch)
the way caching works, Should be solid rock for now. Some code optymizations on scmModel.get() to make it don't load unneded things. Changed db cache to file that should also reduce memory size

Refactor codes for scm model
Some test updates, added test for admin user controller

Code refactoring,models renames
cleaned up sqlalchemy sessions,
added cache support to most queries in models
fixed test.ini file