fix custom mods for heading block
Create block blockquote
Merge pull request #16 from verybigman/feature/issue@8

Create block blockquote
Marker is custom mod in paragraph block #17
Merge pull request #18 from verybigman/feature/issue@17

Marker is custom mod in paragraph block
Merge branch 'pr/3'

Conflicts:
	library.pages/index/index.bemjson.js