userTagger.updateTagStorageCaseInsensitive merges tags from same user

also, removed logical error which would delete tags for lowercase usernames

fixes #1121
Merge pull request #1136 from andytuba/merge-user-tags

userTagger.updateTagStorageCaseInsensitive merges tags from same user
Add/remove misplaced spaces and newlines
Add var before variable declarations
RESUtils: Remove redundant comment
Fix semicolons