autopep8 mysite directory

Used `autopep8 mysite --recursive --in-place --pep8-passes 2000 --verbose
--exclude=migrations` run from the toplevel directory.
Remove leading whitespace
Attempt to make the title line more specific
Fix dead link in /missions. Closes: http://openhatch.org/bugs/issue893
Change in-review to need-review. There is no Status label named in-review
Merge pull request #165 from paulproteus/feature/slight-donate-improve

Feature/slight donate improve
Emphasize OSCTC, per kfogel and OSI request
Merge pull request #162 from mandarg/pep8-massive

autopep8 mysite directory
Adding "that" to headline for clarity
Merge pull request #166 from brittag/patch-1

Adding "that" to headline for clarity