Rework session dialog in Qt client to load from .ui


git-svn-id: file:///data/workdir/Transmission-svn/trunk@14393 1bcf1a7e-6170-4b50-b784-84ec52b2dec6
Fix license wording in Qt client .cc files to match the rest of the code.


git-svn-id: file:///data/workdir/Transmission-svn/trunk@14394 1bcf1a7e-6170-4b50-b784-84ec52b2dec6