checkbox_type_button: Allow mixes. Closes #460
image: Check BH-template on identity
link: Make identical bh-template as bemhtml
input: Make identical bh-template as bemhtml
icon: Add examples for tests
Merge pull request #461 from bem/issues/460@v2

checkbox_type_button: Allow mixes. Closes #460
Merge pull request #463 from bem/issues/441@v2

image: Check BH-template on identity. Close #441
Merge pull request #464 from bem/issues/443@v2

link: Make identical bh-template as bemhtml
Merge pull request #462 from bem/issues/440@v2

icon: Add examples for tests. Close #440
Merge pull request #457 from bem/issues/442@v2

input: Make identical bh-template as bemhtml. Close #442
dropdown: Make identical bh-template as bemhtml