added a duplicate data store
registered duplicate data store with admin
schemamigration on duplicate data store
deleting any performance data
copy and deleting any none data
deleting any duplicates
added docstring
added docstring and used different variable names
fixed migrations that failed test, renamed variables, added docstring
added unittests for migrations
using single query to get the required data
added newline to end of file
added website code is from
adding docstring describing the code
Merge branch 'feature/issue-73-remove-duplicates-with-data-migrations' into develop