New methods around topics
Change alias
add organizer model and endpoint
add specs for ACTV #organizer and #organizers
add organizer_results and use that to wrap the total for #find_all
update OrganizerResults and updated specs
adds visible? method to asset status
remove interpolation
bump version to 1.1.21
Merge branch 'master' into a3-1215-organizer-pages

Conflicts:
	lib/actv/version.rb
Move activity_start_date alias to asset
Merge branch 'master' of git.dev.activenetwork.com:libraries/active-a3pi-gem
Version bump
Merge branch 'master' into a3-1215-organizer-pages
bump verison to 1.1.22
Add alias and attr reader in Asset
Change version to 1.1.23