Docstrings formatted according to pep257

Bug #1020184

quantum/plugins/bigswitch/*
quantum/plugins/brocade/*

Change-Id: I9bf4381738319551a5993d4b279a5cec3425b7ef
Docstrings formatted according to pep257

Bug #1020184

quantum/plugins/hyperv/*
quantum/plugins/linuxbridge/*
quantum/plugins/nec/*
quantum/plugins/nicira/*
quantum/plugins/plumgrid/*
quantum/plugins/ryu/*
quantum/plugins/services/*

Change-Id: I3525aa57235935d90ec7b70c65ba15012ce575a3
Imported Translations from Transifex

Change-Id: Ifad1de1eb9891cc0639470a19058135c21753db7
Use sql alchemy to fetch a scalar for the max tunnel id

Bug 1174998

Change-Id: I77203c81c2c910a1a601416efc4567f1320a2eef
Merge "Docstrings formatted according to pep257"
Merge "Docstrings formatted according to pep257"
Merge "Imported Translations from Transifex"
Merge "Use sql alchemy to fetch a scalar for the max tunnel id"