button_type_link: don't add `href` attribute if disabled (close #520)
Merge pull request #521 from bem/issues/520@v2

button_type_link: don't add `href` attribute if disabled (close #520)
button.en.md added
Merge pull request #515 from bem/button-doc-en

button.en.md added
button: code examples in tables
base-control english version + Coltspb review
Merge pull request #516 from bem/base-control-doc-en

base-control english version
Merge pull request #506 from bem/doc-table-fix

table fix. test
spin.en.md errata
input english version added + tables codes corrected
fix typo + table fix in en.md