try _R_CHECK_CRAN_INCOMING_=FALSE for checking
Merge branch 'no-incoming'
avoid using no.. parameter to list.files that is not available in R 2.15.3
Merge branch 'oldrel-compat'
Bump version to 0.5-1
update NEWS
Merge branch 'v0.5-1-rc'
add caption to NEWS
Merge branch 'master' into 0.6.0-new

Conflicts:
	DESCRIPTION
	NEWS.md
	inst/NEWS.Rd