Mega documentation update
composer.json: bump to 1.3, fix keywords
Change apikey parameter to apiKey
Simplify + overhaul config to use Config service

Zoom field work
Clean up dependency management in Field
minor JS: remove email
Update docs for new naming convention
js_inserted isn't used
Refactor __construct for shorter method, override
Merge pull request #17 from willmorgan/1.3-merge

1.3 skeleton