Fix webpack exclude path on windows.

Merge pull request mozilla#9777 from Snuffleupagus/PageViewport-Messa…

…geHandler-cleanup

Various `PageViewport` and `MessageHandler` cleanup

New XML parser

Merge pull request mozilla#9072 from Snuffleupagus/more-stringToBytes

Use `stringToBytes` in more places

Merge pull request mozilla#8778 from Snuffleupagus/jpg-Uint8ClampedArray

Use `Uint8ClampedArray`, when returning data, and remove manual clamping in `src/core/jpg.js` (issue 4901)

Merge pull request mozilla#8262 from tcorral/master

Fix worker resolution on using minified version

Merge pull request mozilla#8248 from yurydelendik/version-1.8

Version 1.8

Merge pull request mozilla#8000 from yurydelendik/version1.7

Version 1.7

Merge pull request mozilla#7691 from yurydelendik/version-1.6

Version 1.6

Merge pull request mozilla#7235 from yurydelendik/version1.5

Version 1.5