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