design change

Added 2 more view controller for body fat chart and for about screen.
few gui changes on storyboard
Multiple basic changes + GUI changes

used textField delegates to show and hide done button
elememt constraint finally adjust

more comments added.
view element are exactly what I wanted them to be.

only msg label is streaching in smaller and bigger screen.
commiting before crating sub branch
multiple changes

* Added Tap gesture to make keyboard go away
* UI elemets are set with contraints in about View
label fixed in about View controller
UIToolbar removed
merging 1.3.1 to 1.3
Commiting version 1.3.2
deleted some view controller which were not in use
Merge pull request #1 from alokc83/1.3

1.3