Updated info in the README as well as adding the mappings for mouse
buttons and the list of plugins. Two extensions that never really got
integrated into the config have been removed, so you should readd them
to bundle.user if you use them. A lot of the keyboard config has
changed, but most of that is just formatting; the additions are the new
mouse button mappings, and the return of shift+middleclick to paste from
X, which was accidentally removed at some point before. I also switched
the default state of the syntax checker to off to avoid having people
run into issues and not already know how to enable/disable it.
Committing the updates for the syntastic submodule