Fix dep=T in devtools::install_deps instruction

`deps = T` changed to `dep = T`, fixing "unused argument" error. The full parameter name with the default value is `dependencies = NA`, according to the documentation.
let geom_boxplot use the default colour, shape and size of geom_point
Merge pull request #945 from tonytonov/master

Fix dep=T in devtools::install_deps instruction
Fix typo in docs. Spotted in #942
Merge branch 'master' of github.com:ThierryO/ggplot2 into ThierryO-master

Conflicts:
	R/geom-boxplot.r
	man/geom_boxplot.Rd
Add linebreak
Clarify role of fun.data. Closes #929
New labeller functions from @stefanedwards.
Squashed from #910
Merge pull request #1 from hadley/master

merge master back in
fix for syntax error in labeller examples
fix for missing data exchange in examples

without exchanging the data in p2 with the updated msleep data frame,
the facet_grid won't recognize the conservation2 variable
Merge pull request #949 from sebkopf/skdev

small syntax error fix in labeller examples