correction translation missing

Fixes #2463
edited admin/shipping_methods.js to be more explicit when manipulating checkbox inputs so that additional checkboxes are not affected

Fixes #2465
Don't change Property's presentation name if it's already set

Fixes #2455
Removes adjustments from incomplete orders

Every time a promotion is removed its adjustments should be removed from
incomplete orders

fixes #1046

fixes #2453
Adding adjustments to Orders Show

Fixes #2449
Adding Credit Cards to API

Fixes #2449
Remove guard dependencies
Add a test for adjustments + credit_cards

Related to #2449
make sandbox shell script more resilient
correctly show variant options

Fixes #2466
Reset preferences after spec to properly teardown test and avoid files being saved where they are not gitignored.

Fixes #2467
Use pluck instead of mapping attributes for performance.

Fixes #2468
An order should be able to ship when awaiting return and in the returned state

Fixes #2444
correction translation missing

Fixes #2470
including Spree::Core::ControllerHelpers will now include all sub-modules
Add missing colon on adjustment line of admin order form [ci skip]

[Fixes #2482]
refactor preferences reset for specs (reduced core test from 9 min to 5 min)
Stringify api_key

By default there is no api key generated. I just managed to break into api on test installation using `?token[]`, one of my favourite CVEs
@radar, please take a look at Mr. Outsider's PR

Fixes #2492
tidy up spree preferences testing support
move rabl configure into after_initilize block to fix rails generator
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