Update package compiler to support job collocation

Change-Id: I72c1a1ad58bff55dc9397425c4e83901998862dd
Merge "Update package compiler to support job collocation"
[aws_cpi] tag instance with 'Name' when compiling
Adding ci_build, updating cached gems, fixing test pollution

Change-Id: Ide876e999c19ef4074ce4bdd6ffc201249636683
add travis support

Change-Id: I7f7d09cec979f19efcdfb47eab15c217d15863ef
Adding integration tests to travis

Change-Id: Ic1b0e44bf0022ea757f76a3ad91c02c96a2dd81e