Bump module version to 1.3.0
Update readme
Hack some translations so we can use sprint syntax in PS 1.4 as well
Update the 1.3 upgrade script to purge the current config upon install
Move translation files to module root dir for PS 1.4 support
Fix call to protected context variable
Fix unmatched order api request crash
Fix customer link update bug
Merge branch 'release/1.3.0' into develop