global $adConfig provider added

+ code cleanup
+ paging config moved to $adConfig
Merge pull request #35 from kashyap02004/master

global $adConfig provider added
loading indicator module added

+ more documentation
+ code cleanup
Merge pull request #36 from kashyap02004/master

loading indicator module added
v 0.1.6 released

+ loading indicator module added
Merge branch 'master' into gh-pages