start reports
reports for groups
Built schools index and edit pages for teachers and classes.
Fix assignments model, controller, tests, and views
Merge branch 'master' of https://github.com/felixtsai/Timestampz2
Merge pull request #4 from jherrlin/reports_2

start reports
Merge branch 'master' of https://github.com/felixtsai/Timestampz2
Add student add and index pages
Merge branch 'master' of https://github.com/felixtsai/Timestampz2
cleaning up specs and code base
Merge branch 'master' of https://github.com/felixtsai/Timestampz2