Initial pass at update. Tags not done.
Missed One Bundle
Help tags updated, transition section added.
Update readme to use plugin instead of bundle.
Added note to readme, updated the line numberings.
Use the global bundles instead of reinitializing
Don't touch 'ignorecase'

Should fix #231.
Make bundle options visible to installer

Bundle configuration options that are inferred from the bundle specs
overwrite user provided ones. This used to prevent users from changing
the name of directory where the cloned bundle should go, for instance.

Keep the user provided options with a preference over inferred ones.
Doc fix after rebase to latest.
Rewrote interface change.
Line numbers updated.
Added Vundle aliases, removed trailing whitespace.
Need L on both numbers in link to vimdoc.
Added note on interface change to about in the vimdoc.
Noted on diff duplicated line.