Full Swedish translation

Full Swedish translation of EDD.
Merge pull request #1333 from keha76/master

Full Swedish translation.
Add encrypt attribute and filter. Closes #1329
Fix Pip's dumb mistake. Fixes #1329 (again)
Ensure CC numbers are never stored in the purchase session
Merge branch 'master' of github.com:easydigitaldownloads/Easy-Digital-Downloads
Store customer address. #1240
Add Billing Address (if stored) to View Order Details. #1240
Tweak how address is stored. #1240
Prefill checkout fields with stored address. #1240
Allow earnings/sales reporting to cross year boundaries. Closes #542
Fix #1337
Add status_header() to the API output function. See #1336.
Add status codes for errors. #1336
RTL tweaks for View Order Details screen. #1208
Force LTR on system info. #1208
Merge branch 'master' of github.com:easydigitaldownloads/Easy-Digital-Downloads
Moving get_total_customers function into user-functions.php for broader use.
Added version
Fix merge conflict