Generalize the use of 'queue_prefix'

Some queue naming is still in place - that is tightly couples with Taskworker and SQS

Change-Id: I3558f8b60e79f149971cde5ec50a6a8a478e9cb3
Add basic deploy specs.

Had to rename main() function in elb and node manager because of namespace collision.

Change-Id: I0142b16d8b268ca9677beb7996ef64545e6be73c
Unit tests for find_server_arra

Change-Id: I2f134b73351058d5c62356e9590e43992048c055
Allow JSON to be passed as STDIN

Change-Id: If55c0fee7c3f9a09ad9a70b3e1a9741b0cf0ba48