Add a pipchecker command for reporting on out-of-date requirements.
quiet install requests
fix E128 continuation line under-indented for visual indent
flake8 fixes
use NOQA to disable pyflake warning
don't install requests for travis. travis was failing due to flake8, not requets
Merge pull request #299 from rizumu/pipchecker

Add a pipchecker command for reporting on out-of-date requirements.