Issue #321: Allow search by commit hash (conservancy/kallithea)

[Roy Seminoff]

New issue 321: Allow search by commit hash
https://bitbucket.org/conservancy/kallithea/issues/321/allow-search-by-commit-hash

Roy Seminoff:

We are looking at using Kallithea to handle our repositories, and have discovered that you cannot search for a specific commit hash from any search feature or context.

The only workaround seems to be to show more than 100 changes, and have the browser search for the commit hash.