added Unload() function to Portal class
added block not found error - instead of returning null silently
fixed / slightly improved backtrace errors
removing .devonly from filenames for kint and php_error to enable by default
  will rename in release/compile script back to .devonly

git-svn-id: http://prositemanager.googlecode.com/svn/trunk@98 e374cdb8-7ee8-0d77-fd1e-c554042f9154
added wiki widget - renders basic formatting so far
  added wiki page to portal - contains test data, can't load actual pages yet
added factory classes for widgets
few other small fixes and cleanup

git-svn-id: http://prositemanager.googlecode.com/svn/trunk@99 e374cdb8-7ee8-0d77-fd1e-c554042f9154
added db query to wiki page - loads test page
added trim() function to Utils_Strings class
added 15px padding to <h#> wiki tags
added Lists to wiki widget - * and #
fixed bug in dbPrepared class when setting parameters

git-svn-id: http://prositemanager.googlecode.com/svn/trunk@100 e374cdb8-7ee8-0d77-fd1e-c554042f9154