Refactor coffee script for tips
Refactor coffee script for tips

 - Add form input highlight when charCount is over the limit
 - Simplify and cleanup the rest of the code

asm-products/tips-on-rails,MrBeardface/Tips_on_Rails,MrBeardface/Tips_on_Rails,asm-products/tips-on-rails,asm-products/tips-on-rails