Installing lxml for python2.7 which is different than the 2.6 version
lxml path import
cleanup extra files
found other places where revert broke persistence
removed unreachable code paths in prime script, and storing apps in /opt
Merge pull request #643 from shatterednirvana/persistence-unreverts

found other places where revert broke persistence
Merge remote-tracking branch 'org/testing' into store-apps-in-opt
creating apps directory when appcontroller starts
Merge pull request #644 from shatterednirvana/store-apps-in-opt

removed unreachable code paths in prime script, and storing apps in /opt
fixed broken unit test
Merge pull request #645 from shatterednirvana/fixed-unit-test-for-appcontroller

fixed broken unit test
mounting persistent disks before starting up API services (still need to actually attach the disks in the IaaS Manager)
added first pass on attaching persistent disks in GCE
added method to call attach_disk on iaas manager, and extracted duplicated code to method
added missing doc string
sending and receiving djinnjobdata as json instead of colon-delimited string
not getting schemas on user/app tables before creating them, as it throws exceptions
Merge branch 'dont-check-for-length' into use-persistent-disks-in-gce
missed a spot where we used old serialize method
running apt-get update before we install curl, otherwise it can fail if the apt url was incorrect