add loadbalancing to packages list in setup
check whether instances are passing status checks, reboot if not
ensure instance health on each iteration
fix lambda expression
trying to launch user_data script instead of AMI with service
change max-size to max_size
updated AMI ID to dstk-general v3.1
make branch to checkout configurable
set default branch to master
change branch option to git-ref
restrict line length to 79 chars for PEP-8
Merge branch 'master' of github.com:Wikia/data-science-toolkit into dataex
Merge pull request #3 from Wikia/dataex

Fixed data extraction problems