Modify .gitignore
Change in progress - make alt identifier visible for all sample views
Bug fixes:
- redirect_to root_url (instead of '/')
- Work in progress: fix add of new sample from sample characteristics form
Bug fix - sample_characteristic model
- before_save and before_create callbacks are ignored; need to rename
Replace blame gem (not working with Rails 3.2) with custom code
Modifications to sample_characteristics/show
- javascript handling of 'add another sample'
r3 bug fixes/enhancements
- Reenable email delivery when new sample entered
- Hide 'add sample' link when new sample form displayed
Merge branch 'master' of https://github.com/suegrimes/seqLIMS.git

Conflicts:
	.gitignore
Mods to gitignore
Merge branch 'r3_bugfixes'