Merge 'trunk' into 'compres'

Merge 'trunk' into 'compres'

r20038@Command-Central (orig r7857):  bricas | 2008-05-29 15:01:03 +0200
Added the ability to remove parameters in req->uri_with() by passing in an undef value (RT #34782)
r21359@Command-Central (orig r7936):  bricas | 2008-06-20 20:14:11 +0200
remove a confusing and duplicate bit of documentation
r21361@Command-Central (orig r7938):  bricas | 2008-06-23 15:38:24 +0200
Fix for LocalRegex when used in the Root controller
r21418@Command-Central (orig r7995):  bricas | 2008-06-24 00:01:06 +0200
Update HTTP::Body dep so that the uploadtmp config value will work (RT #22540)
r21419@Command-Central (orig r7996):  bricas | 2008-06-24 02:14:21 +0200
remove 0-length query string components so warnings aren't thrown (RT #36428)