refactored feature tests and transaction model test
Merge pull request #23 from inoda/test-refactoring

refactored feature tests and transaction model test
added model tests
cleaned up clutter
Merge pull request #24 from inoda/test-refactoring

Test refactoring
added controller logic for reject button, changed specs
cleaned up css a little
fixed bill form style and functionality, fixed group display bug
fixed merge conflicts
Merge pull request #25 from inoda/formchange

Formchange
fixed merge conflicts
Merge pull request #26 from inoda/show-group-page

cleaned up css a little
fixed merge conflict