bump version and update changelog

bump version and update changelog (2.1.0)

support require statements with apostrophes (teambit#103)

* fix teambit/bit#1708, support require statements with apostrophes

* bump version

fix teambit/bit#1690, fix error Cannot read property "find" of undefi…

…ned when a typescript file has an import statement without a specifier (teambit#101)

ignore import/require from CDN (http/https) (teambit#99)

* ignore dependencies from CDN (import from https/http)

* update CHANGELOG

* bump version

bump version and update changelog (2.0.6)