Removed id

Caste select still had an id attribute; removed
Addressing Issue #12

Dots need to be siblings, and apparently don't like being siblings with
other dots. Fixed by wrapping each group in a <div>. Also cleaned up
code indentation and removed extraneous tags.
Resolve conflict
Installation instructions proposal
Fixed list
Updated instructions

1 is the default weight, so there is no need to set it.
Merge pull request #37 from Lithl/master

Fixed major outstanding issue with current version