updated Gemfile
fixed syntax error in Gemfile
fixed indentation
added sqlite for dev/testing
Merge pull request #3 from skalawag/skalawag

Adds Changes from Skalawag
Changes ruby version in Gemfile to 2.1.5
Adds products model
Adds batch dependency to beans
Adds product views & controller
Adds chunk scaffold & migration.
Adds links to the home page in order and batch indexes. Adds batch link to welcome index.