update version number to 0.1.6.
prefer delite/sniff to dojo/sniff
exclude node_modules from code coverage
delite/Selection: quick doc fix
Selection.md: a few doc fixes
The parameter of the fetch method is now the tracked collection. Removal
of the postProcessStore method, and renaming of preProcessStore into
processQueryResult.
Simplify Viewport code and remove dojo/window dependency.
remove unused dependency
Fix problems reported by jshint.