Merge branch 'develop'
discover.py: Ignore 422 error Justintv users. Bump ver.
discover.py: Give up getting follows if too many errors. Bump version.
discover.py: Grab up to 10000 follows only.
pipeline.py: Try only 2 times. Bump version.
discover.py: Ignore 422 in general.
getflv.py: Ignore all 404s.
pipeline: Bump version.
Handle 404 responses sanely
Merge pull request #3 from ianweller/master

Handle 404 responses sanely
Bump pipeline version.
Don't throw GiveUpError if a URL reliably 504s