Bug 844100 - Add linter test to Travis-CI
Bug 844100 - follow up, exclude external shared/js/ files from lint
Bug 844100 - follow up, lint fix to all scripts
Merge pull request #8515 from timdream/bug844100-commit

Bug 844100 - Add linter test to Travis-CI & lint fixes, r=dale
Merge pull request #8499 from gtorodelvalle/dialer-bug-813506-call-log-no-communication-location

Bug 813506 - [Call Log. UX VD] The 'no communications' scenario has the wrong spacing and type (r=basiclines).
Bug 848703 - [Dialer. UX VD] Fix the size of the hang up button in the call screen.