add RemoteAppDataStore test

add PriorityScheduler test case and minor bug fix

minor fix for the UT
fix Build.scala
Merge pull request #126 from huafengw/test

Add RemoteAppDataStore, PriorityScheduler UT and minor bug fix
Fixes #127
Merge pull request #128 from kkasravi/master

Fixes #127
Fixes #103
Merge pull request #129 from kkasravi/master

Fixes #103
    Fixes #130
Merge pull request #134 from kkasravi/master

Fixes #130
testing codecov.io
Merge pull request #131 from smarthi/suneel

testing codecov.io
    Fixes #135
Merge pull request #136 from kkasravi/master

    Fixes #135
Update README.md
Update README.md
Update README.md