Moved web UI system def to main ASD file
Small fixes and improvements of system def
Cleaned up DB management code, cut out Providing
Some fixes in localization files
Cleaned up localization loading code, made it use pathnames relative to system directory
Cleaned up reCAPTCHA API access module
Cleaned up awards module
Cleaned up roles module
Cleaned up statuses module
Cleaned up search engine code
Removed src/main.lisp as it's not needed anymore
Renamed "ui" dir to "web" and moved DB code from UI to engine
Cleaned up navigation code
Changed some exports in core (src/packages.lisp)
Changed some DB code to operate on vectors rather than on lists
Cleaned up web/base/utilities.lisp
Changed web interface's navigation code to use TW package for some calls
Cleaned up web interface render code
Cleaned up pages management code
Cleaned up static files handling code