Merge pull request #175 from FCStrike/dev

BugFix: Prevent categories from swapping when not changing cats
Icons
Merge pull request #176 from willwclo/paris

Icons
Constrain opp active and group inputs
Merge pull request #177 from jgho/oppDetail

Constrain opp active and group inputs
Merge pull request #178 from FCStrike/dev

BugFix: Prevent categories from unselecting visually in the DOM
Fix typo
Change wording on invite candidates page
Improve UX on create survey page