Add new option: g:unite_source_everything_case_sensitive_search
Add a space before foldmarkers
New source : everything/async
New option: g:unite_source_everything_cmd_path
Don't wait first outputs in async source.
Remove debug message.
Remove duplicates.
Filter file pattern with the built-in filter.
Add descriptions.
Remove "l:" prefix from local variables.
Change max_candidates of async sources.