added basic functionality for extracting elements out of formula (for statistics, and presentation results) (not yet tested)
added apache tiles for better page layout templating
added missing localization
added history option for statistics page
added draft for dashboard
rework of install process
fix of formula not found error
added locale messages
application run section - draft
reworked navigation, i think we will be using more browsing and application runs than imports.
i18n, thanks maki for help
added form that allows to comment formulas
these comments are now implemented in statistics
small rework of landing page after login
added i18n texts