Removing Gemfile.lock

When writing a Gem, should not keep track of Gemfile.lock
Adding Gemfile.lock to .gitignore
updating gems
updating activerecord table_name notation
adds pg as development database
removes Gemfile.lock by fraga
Merge pull request #6 from fraga/remove_gemfilelock

Removing Gemfile.lock
adds travis config file
Merge branch 'master' of https://github.com/seixasfelipe/bovespa-ingestion
adds APP_ENV variable and set test when using travis ci
trying to set APP_ENV variable for travis work
updating Gemfile - creates group test
renames travis.yml -> .travis.yml
adds travis status image to readm.md
adds rake db:migrate to travis
improves README and adds LICENSE
configs jeweler for a better gem cut.
Version bump to 0.3.0
Version bump to 0.4.0
Version bump to 0.0.0