added recordmp3js to dependancies for #1485
added tests for #1485 #1025  #1034 #543 audio recording
added audio recorder dependancy from

https://github.com/nusofthq/Recordmp3js
added karma watch task
audio recording and encoding as mp3 client side

is working
for #1485 #1025  #1034 #543
Setting grunt karma to run on travis