Create a separate poll-sip-bono and poll-sip-sprout to allow side-by-side installs
Revert "Create a separate poll-sip-bono and poll-sip-sprout to allow side-by-side installs"

This reverts commit d814a41062fa7850e300de0db6ea319cde735776.
Move poll-sip script into clearwater-infrastructure
Merge pull request #410 from Metaswitch/separate_poll_sip

[Reviewer: Matt] Create a separate poll-sip-bono and poll-sip-sprout to allow side-by-sid...