Req file with extra dep. for biological stuff.
Comments reflecting changes necesary to the OS to be able to use the biopython modules.
Adding extra module to wrap biology things.
Adding class for Newick trees functions.
Modify views to work with the new parsing function for Newick trees.
Try/catch to handle exceptions when validating the Newick trees from imput. Probably should go in a general validation for all tree text fields and file inputs.
Adding some docstrings
Change for locale info in django settings.
Merge branch 'master' into developing

Conflicts:
	bathsite/treegenerator/views.py