added support for typeable URL in consent form
removed password from the old method (consent does not require password)
fixed the bug with random handle generation
removed debug print, extra blank lines
cleaned up random handle generation
changed consent URL to accept handle as part of the path
Merge branch 'typeable_consent_url' of https://github.com/rpanah/centinel-server into typeable_consent_url

Conflicts:
	centinel/views.py
revised informed consent page generation function for better code re-use
corrected errors in informed consent static pages
removed bootstrap CSS from informed consent form
Merge pull request #31 from rpanah/typeable_consent_url

added support for typeable URL in consent form (closes #29)