Barbara Borges Ribeiro 19623694f5 Added skipFirst arg to observeEvent (#1494) ...

* added skipFirs arg to observeEvent

* create getCurrentObserver() function

* better NEWS entry

* made code more consistent

* implemented `once` param to `observeEvent`; extensive documentation for `getCurrentObserver`

* implement dig param to `getCurrentObserver`

* fix bug that was causing unit tests to fail

* take two

* git commit

* removed function getCurrentObserver

* delete .globals$currentObserver variable

* update docs

* typo

* remove dupes in index.r (bah humbug)

* rerun devtools::document

2016-12-19 15:51:19 -08:00

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