Merge pull request #12 from amit-handa/gkDev

Paging and refresh implementation
Merge pull request #13 from amit-handa/gkDev

Notification Subscription Handling
logback configured from command line args. no need of java properties
-DPINT.conf

logback renmaed to logback-pint
Merge pull request #14 from amit-handa/devamit

logback configured from command line args. no need of java properties
Merge pull request #15 from amit-handa/gkDev

Handling query for a particular source
Merge pull request #16 from amit-handa/gkDev

Implemented getSubscriptions api, fixed a bug
Merge branch 'master' of https://github.com/amit-handa/noty into gkDev
Fixed bug where notifications greater than a particuar id is not fetched
Indentation
Returing result of insertion