Clean up test PDF references
Add verbosity as an api setting.
Rename 'Settings' to 'ViewHistory'
Fix thumbnail rotation regression
Fix singlefile build target
add support for Conkeror
Remove superfluos <!DOCTYPE html> from page action

Fixes #4064
Merge pull request #4065 from Rob--W/crx-pageaction-html-typo

Remove superfluous <!DOCTYPE html> from page action
Added missing <html> tag to page action
Merge pull request #4059 from glasserc/add-conkeror

add support for Conkeror
Merge pull request #4066 from Rob--W/crx-pageaction-html-typo

Added missing <html> tag to page action
Merge pull request #4053 from Snuffleupagus/rename-Settings

Rename 'Settings' to 'ViewHistory'
Merge pull request #4055 from Snuffleupagus/fix-thumbnail-rotation-regression

Fix thumbnail rotation regression
Merge pull request #4058 from gjuggler/singlefile-fix

Fix singlefile build target
Recompressed PNG assets
Merge pull request #4045 from brendandahl/verbosity

Add verbosity as an api setting.
Merge pull request #4001 from jryans/clean-test-pdfs

Clean up test PDF references
Only trigger warning bar on certain unsupported features.
Merge pull request #4067 from fkaelberer/PNGs_recompressed

Recompressed PNG assets
Merge pull request #4048 from brendandahl/unsupported-features

Only trigger warning bar on certain unsupported features.