Custom Post Types: change textdomain to jetpack
Custom Post Types: add missing textdomain
Resolve errors, and recommit the changes.

See:
https://github.com/Automattic/jetpack/commit/380dd99ef8a761f42f00a2c03b5
c09636279441c
Upload pre-commit hook to repository.
Keep pre-commit hooks in sync.

Or at least notify folks if theirs is out of sync.
Declare module a global.
Open Graph: restore the jetpack_open_graph_image_default filter

It was added in c1c6123ebb8fcbe3f0e52df097b4c2ed5a874b1d
then removed in 7738ace0b6202597fd01bda9dd3020201d64aad7
Minor CSS tweaks & tagline change

- Left aligned JP homepage toolbar navigation & logo
- Change tagline
- Fixed search icon formatting on homepage
Merge pull request #359 from Automattic/ui-tweaks

Minor CSS tweaks & tagline change
Ability to filter modules by category

- Added filter by category functionality to JP homepage
- Removed “popular” filter from JP homepage
Merge pull request #360 from Automattic/ui-tweaks

Ability to filter modules by category
Random redirect: No need to check for conflicts on wpcom.
Custom CSS: Remove code that should not be in Jetpack

Merges r93900-wpcom.
Correct version of 6df037d

The function `_x` only takes three parameters.