Update to 0.8; lots of work on mods+graphics

I had tried to switch this over to Mercurial/BitBucket/SourceTree, but
it wasn't working for me.
update
Revert "Update to 0.8; lots of work on mods+graphics"

This reverts commit 9e4e01055359448ea2bd68232c28435d65588bfc.
Status as at pull request

Includes PyLNP 0.8, the mods tab, new graphics format, etc.