catch and log pyrax errors, so as not to take down the entire site
Merge pull request #175 from rizumu/pyrax-exception-handling

 Closes #174 - Log pyrax errors, so as not to take down the entire site.
improve pyrax connection error message
Bump version
Fail silently if file deleted already missing

This leads to an embarrassing loop where a missing file fails the
entire `collectstatic` run.
Bump version
catch and log pyrax errors, so as not to take down the entire site
improve pyrax connection error message
Bump version
resolve merge