Expanded import target in Makefile.

Added import of about and home templates to the import target of the Makefile.
Merge branch 'master' of https://github.com/HHSIDEAlab/midas
Revised volunteer dialog.

Changed the language in the volunteer dialog. The new language
encourages people to ask questions before committing to volunteer.
The new language also states the volunteerer is acknowledging
supervisory approval to do the volunteer work.
Merge pull request #35 from katucker/volunteer-disclaimer

Volunteer disclaimer