Empties Search Bar after posting youtube link

value of the placeholder text is set to '' after the user posts a youtube link
Merge pull request #7 from apsdehal/proposed-play

Empties Search Bar after posting youtube link
Some modifications for faster response
fixes artist image...was showing a default image
adds next song on now playing page also
Fixes some bugs that gives unnecessary warnings

Arrays in javascript are a misleading things must use length to check if they exist or not.

Also fixes up some indentations
Adds lyrics button

So that lyrics are not unnecessarily displayed when not needed.
Also adds check if lyrics are present or not.
Commented unnecessary console logs
Added repeat functionality to current song

A button for repeat has been added
Adds tooltip on repeat successful
Fixes bug when track.lyrics return null

Also fixes style for repeat button
Removes lyrics button if lyrics is not present
Ajax req after Next Song
Rerender page on next song
Don't show Now Playing if there is no song

Some work is still left on rerendering
Structured code into function, rerendering somewhat done

Rerendering has to be improved but later ab ghissna hai
Some bugs fixed
Added KillHandler function
Shifted mains' stop to main.js and added getConfig function
Initial work in templating