Travis CI - try without caching packages due to new Bioconductor version
Travis CI - try without caching packages due to new Bioconductor version

From: Lukas Weber <lukmweber@gmail.com>

git-svn-id: dfd526a05665996c3b3ac171d9bf7815c6462354@124144 bc3139a8-67e5-0310-9ffc-ced21a209358

lmweber/regsplice