Fix travis build on OSX (#86)
Fix travis build on OSX (#86)

We are getting "Pip command not found" during travis build
on OSX. We need to add pip setup to the launch script. I
fixed the issue temporarily using the xcode 7.3 image until
I fixed issue.

Signed-off-by: Hunseop Jeong <244c730fbe22cc3e4d6e6ea787421cbcaa34aea6@samsung.com>
HunseopJeong/WATT,HunseopJeong/WATT,HunseopJeong/WATT,HunseopJeong/WATT,HunseopJeong/WATT,HunseopJeong/WATT