Fix removing format for line formats without parentTag
Hotkey metaKey should apply to just metaKey

On windows it maps to ctrlKey. Fixes #212
Handle newlines in HTML within text

Fixes #208
Fix css

Fixes #210
allow links to begin with mailto:

closes #206
Merge pull request #200 from leoasis/line_format_fix

Fix removing format for line formats without parentTag
Merge branch 'master' into develop
tweaks
update devDependencies