Pull out the MP4 parser
Pull out id3v1 parsing
Add a generic place to register metadata parsers
Clean up metadata.js and stop using almost-global variables
Move metadata.js
Make the top-level metadata parser use Promises too!
Fix tests
Clean up id3v2 parser
Move test files to match the structure of the js/ dir. This way, tests are automatically rerun if the file they're testing is changed
Fix lint errors (some of these were real errors in edge cases too)
Revert "Merge pull request #26163 from kanru/bug-1098118"

This reverts commit 488c8369d4e06745d0e452b7887abf2af44a8e6c, reversing
changes made to 046e2783d2be7b6103a7220aa691fd14f4acb76a.
Add lots of comments
Revert "Merge pull request #26192 from jmcanterafonseca/fix_del_button"

This reverts commit 6f6e4b9b395b95dd920ee701d0c5ec6aa2c1d805, reversing
changes made to f004f8c891c4a6510a4679f3804ba3123af26615.
Bug 1096857 - Remove all english strings from the HTML code r=julienw
Bug 1078384 - [MMS] Move MMS label to appear always at the end of the subject line
Bug 1096603 - (reopened) Fix blank FxA screen by loading renamed service.js file r=kgrandon
Merge pull request #26164 from 6a68/bug-1096603-reopened

Bug 1096603 - (reopened) Fix blank FxA screen by loading renamed service.js file r=gduan
Merge pull request #25401 from arcturus/bug-1078381

Bug 1078381 - Provide confirmation that theme has been changed r=arthurcc
Merge pull request #25943 from eeejay/bug-1069597

Bug 1069597 - Make overlay and dialog views exclusively visible. r=sava f=mai
Bug 1069422 - Use gaia-select for combo boxes.