Merge pull request #48 from enb-bem/support-decl-formats

Support decl formats
Renamed `bemdecl-from-bemjson` tech to `bemjson-to-bemdecl`
Added `bemdecl-from-bemjson` alias for `bemjson-to-bemdecl` tech
Merge pull request #49 from enb-bem/issue-44

Issue 44
Renamed `sorceDepsFile` options to `bemdeclFile` of deps techs