Change protobuf.rb to install files through CREW_DEST_DIR

Change go.rb to set pre-defined GOROOT

Change libcap.rb to make it work with gperf 3.1

Fix wrong option in cmatrix.rb

Change openssl to pass `make test` on armv7l

Add nodebrew 0.9.7

Remove package/python.rb, outdated binary package

Add vpnc package

Update openconnect from 7.06-1 to 7.08

Update subversion to 1.9.7 and correct the install method of serf

Update stunnel to 5.42

update libxml2.rb to avoid compile error later

Change aircrack_ng to make it configure itself correctly.

Change go.rb to leave symbolic links for `go` and `gofmt`