Fixes a resulting 404 error when affiliates try to filter their Referrals Over Time
fix "successfull" typo in api_request() comment block
fix "referal" typo in getting_started_screen()
Neglected to update the <select> name to the proper variable as well
Refer to records as 'affiliate records' instead of 'license keys'
add admin styles and wrap dashboard widgets
restructure CSS edits
consolidate dashboard widget container IDs
Merge pull request #82 from jchristopher/fix-filter-url

Update year variable name and avoid 404s when filtering referrals
Merge pull request #83 from jchristopher/migration-nomenclature

Refer to records as 'affiliate records' instead of 'license keys'
Fix missing screenshots. #84
Merge branch 'master' of github.com:pippinsplugins/Affiliate-WP
Merge pull request #81 from sdavis2702/master

fix typos, add styles, edit tools page markup
Fix affiliate email retrieval. Props @tubiz. Closes #74 closes#87
Fix undefined year_end and make frontend graphs work without pretty permalinks
Show commission rate on dashboard.Closes #86
Force a value for checkboxes on settings save

This makes sure that unchecked checkboxes pass through a false value during sanitization.
Do not allow duplicate affiliate registrations. #85
Merge pull request #90 from brichards/master

Force a value for checkboxes on settings save
If user ID provided and user ID is already attached to an affiliate, return false in add(). #85