1.) Corrected headings according to rules of migrations by
placing "=======" on headings in the files
2.) Some headings have extra "====", they are removed
3.) Launchpad url have '~' which makes error: page not found
,so it is removed
Change-Id: I99581025d579f18da9ebe57267fb002cbcba28dd
This, besides making devstack slimner, will give us more control on
what's in the plugin and it'll allow us to experiment with different
configurations.
Change-Id: I38c6cf71e2ae73f60e4494d853fee5796aa1f0f8