started work on #35, extension packs
 completed dplyr extension pack #35
examples are now extension packs  #35
examples are now extension packs  fixes #35
Merge branch 'dev' of github.com:RevolutionAnalytics/plyrmr into dev
closes #37
fix renamed label
slapped a constant there for lack of a better idea but also a consistency check closes #29
merge from master part 1

Merge branch 'master' into dev

Conflicts:
	docs/tutorial.html
	docs/tutorial.md
	pkg/DESCRIPTION
	pkg/R/pipe.R
trecherous merge with master
merge from master + conflict resolution in make.task.fun

Merge branch 'master' into dev

Conflicts:
	pkg/R/pipe.R
refresh
quickcheck 2 FTW!
test and fix for partial ungroup
Merge branch 'dev'
Eliminate mergeable arg, redundant package load
bring docs up-to-date
updated for 0.3.0 release