Cleaning up pylint and pep8 errors.
LMS: resolving vertical alignment issues with new header global nav items
Merge pull request #5429 from edx/dcs/mobile-delint

Cleaning up pylint and pep8 errors in mobile API.
Merge pull request #5426 from edx/talbs/fix-lms-header-boxmodel

FIX: LMS - New Global Header Vertical Alignment
add Solano CI.
Merge PR#3. Solano: Add post worker hook for copying artifacts.
fixed capturing screenshots
adding post worker script
fixing file log error
introduce bok-choy shards, new firefox version
re-shard lms to fix a failing test.
Add quality report capability.