Add Twig to composer.json
Autoload Twig from Composer autoloader.
Add composer.phar/composer.lock to .gitignore
Login screen now with twig extension.
themes/default moved to plugin "Zeitgeist"
Initial implementation of core/Twig.php
Day 3:

* Lots of renamed templates and adjusted for Twig
* First two master templates for dashboard and admin
* Refactored Piwik_View::factory to CoreUpdater (now obsolete)
Adjusted paths in AssetManager for plugins/Zeitgeist (for now static)
Implemented two functions and one filter in core/Twig (for now)
Lots of smarty->twig conversion
New master template for admin screen.
Add vendor/ to .gitignore for now
Merge branch 'master' into 2.x-twig
Merge branch 'master' into 2.x-twig
Converted more templates from Smarty to Twig
Implemented another function in Twig
API now fully functional in Twig
Adjust code in testMinimumPhpVersion to work again
Dashboard fully functional in Twig
Fix login screen and skip escaping of html
Implemented ajax helper macros in ajaxMacros.twig
Fixed ajax divs and properly loaded javascript translations
UserManager now functional in Twig
Several fixes in CoreHome/CoreAdminHome
Converted more files from CoreHome, MultiSites and VisitsSummary to twig
Added a new filter and function
Adjusted path for datatable templates