issue #4
Merge pull request #48 from dhilt/well-class

Fix bootstrap's well css class bug (issue #4)
cache within datasource
add demo  to index
demo cahce doc
datasource cache logic
add demo to index
Merge branch 'datasource-cache' of https://github.com/dhilt/NGScroller into datasource-cache
Merge pull request #50 from dhilt/datasource-cache

Datasource cache example
Mixed double and single quotes fix
v.1.0.0