Builder|Ubuntu: Create a separate source package for Saucy

The package version contains a distribution-specific part so
that they may coexist in the PPA.
Fixed|Builder|Ubuntu: libncurses-dev is required for building
Fixed|Updater: Notification has an overly large shadow
Fixed|Updater: Downloading files from SourceForge

Apparently SourceForge now requires that the User-Agent is specified
in the GET request.
Homepage|Style: Use Open Sans for all text
Homepage|Style: Target DPI is device DPI
Homepage|Forums|Style: Use Open Sans for all text
Homepage: Removed control panel from the engine feature summary; cleanup
Merge branch 'master' into resourcesystem
Windows: Fix build (header inclusion order)