PLD: check deployment exists and refactor error exit
PLD: move to install file
PLD: add mac install script and fix generic
PLD: quieter install
PLD: update copyright year
Merge pull request #112 from onaio/script-for-reqs

Script for reqs
UK: bump pyxform version to 0.9.19
Merge pull request #114 from onaio/pyxform-0.9.19

UK: bump pyxform version to 0.9.19
UK: pep8
UK: csv, xls, csvzip, savzip download via api
UK: raise exception if unknown export_type is specified
UK: update docs
UK: test for api export endpoint
UK: use locally defined lookup_field
UK: allow use of id_string in export endpoint
UK: corrected test name to TestExportViewset, add xls export test that uses id_string
UK: remove url for ExportViewset, plan to merge ExportViewset functionality into XFormViewset
UK: allow use of id_string as pk for form access
UK: move data export to XFormViewset
UK: remove no longer required data export code