Regenerate gemspec for version 0.2.19
Regenerate gemspec for version 0.2.19

maestrano/maestrano-connector-rails,BrunoChauvet/maestrano-connector-rails,MarcoCode/maestrano-connector-rails,Berardpi/maestrano-connector-rails,BrunoChauvet/maestrano-connector-rails,Berardpi/maestrano-connector-rails,maestrano/maestrano-connector-rails,Berardpi/maestrano-connector-rails,maestrano/maestrano-connector-rails,MarcoCode/maestrano-connector-rails,BrunoChauvet/maestrano-connector-rails,MarcoCode/maestrano-connector-rails