style.css: Improved footer looks
templates/base-page: Make "The SkyLines Team" translatable
i18n: Updated translation template
i18n: Updated German translation
Merge pull request #53 from Turbo87/box-css

style.css: Added .box style instead of Bootstrap's .well
templates/search: Added escaping for name output
search: Added details array to search_query() output
shell.py: Added transaction import

Since we use the ZopeTransactionThingy we have to use the transaction
module to commit() our changes
Merge pull request #56 from Turbo87/shell-transaction

shell.py: Added transaction import
templates/base-page: Added header_tabs option
templates/ranking: Use header tabs instead of pills
templates/pager: Fixed format
controllers/ranking: Move year parsing out of __get_result() method
lib/helpers: Export dict() and min/max() functions

These should exist in Jinja2, but somehow they don't...
templates/pager: Allow custom URL parameters aside from the page
templates/ranking: Pass year parameter to pager
templates/ranking: Added basic years dropdown
templates/ranking: Added year parameter to header tabs links
controllers/ranking: Merged duplicate code
templates/ranking: Removed hardcoded year list