Fix editor:move-to-first-character-of-line with leading hard tabs

Fixes #3314
Update find-and-replace for new config settings
Upgrade to language-sass@0.18
Upgrade to atom-shell@0.15.9
Upgrade to language-sass@0.19
Upgrade to language-hyperlink@0.12
Upgrade to language-make@0.11
Removed unnecessary comma
Merge pull request #3349 from aaronshaf/patch-1

Removed unnecessary comma
Do not move cursor when interacting with horiz scrollbar

Fix #3284
Add classes to the workspace for themes

Fixes #3097
Merge pull request #3350 from atom/bo-theme-classes

Add classes to the workspace for themes
Sync package.json files for doc imports
Docs task uses metadoc
Use donna and tello. Together.
Remove unnecessary things
Dont dupe classes
Remove unnecessary metadata.json
Update to contain superclasses
Remove unused deploy-docs task