Implemented distinctUntilChanged operation#374

Merged

benjchristensen merged 4 commits intoReactiveX:masterfrom jmhofer:distinctUntilChanged

Sep 13, 2013

+250

Commits on Sep 12, 2013

initial version of a distinctUntilChanged operator
Joachim Hofer
committed
added methods taking key selectors
Joachim Hofer
committed
Added distinctUntilChanged member methods to Observable
Joachim Hofer
committed
fixed javadoc descriptions in the operator
Joachim Hofer
committed