Fixed the users on imfree added to vote

##Imfree.js

- Changed the help to the easiest typing
- Added to the comment for readability
- Made an if statement to check if local or slack
- Added Semicolons everywhere for readability

##Vote.js

- Added a function for seeing current ballots
- Added functionality to clear polls
- Change time from milliseconds to hours
- Changed the regex to allow decimals