Expore install_deps()
Update news. Remove roxygen2 version dep from DESC
Enable travis
Can't install all suggested packages on travis
Install binary version of XML package
_R_CHECK_FORCE_SUGGESTS_ needs to be false
Add build shield to readme
Don't try and clear caches for roxygen2 3.0
Don't include NEWS.md because CRAN hates extra files
Bump version for development
Add information about updating devtools
Merge pull request #377 from wch/update-doc

Add information about updating devtools
install packages from c2d4u

- still install roxygen2, rstudio, rbenchmark and testit from source
Attempt to fix dev_help bug when not in rstudio
Document with latest version of roxygen
Add user agent for httr requests
Merge pull request #384 from krlmlr/c2d4u

install dependencies from c2d4u
Really fix rstudio_has
Update NEWS
repo argument to install_github now also supports passing subdir, ref and pull

- helper function github_parse_path, stops if GitHub path is invalid
- update parameter documentation, roxygenize