[minor] add file install options
[minor] erb item
[minor] add ErbContext class
[admin] remove cruft code
[admin] more specific require
[doc] fix readme
[doc] update readme
[admin] update gem file
[major] remove extra :distribute namespace

add monkey patch to fix duplicated task desc
[release] 1.2.0
[minor] add TiltFile item
[admin] update gemfile