Add transform scripts to create_daily_ott_shiftdata

IMPORTANT NOTE: The following files are stored as UTF-8 encoded text
files, as the 1252 versions showed up as binary and/or chinese in Git,
apparently depending on content. These files will be garbled by Qlik
when running, and the etl script WILL FAIL if run as-is. Do a search and
replace on the files or open and re-save them as 1252 locally before
running.

The encoding issue is hopefully a Qlikview bug that will be sorted soon.

FILES:
sub_join_r31_and_r49_data.qvs
sub_concatenate_r31_data.qvs