use doubledash on external cmds in nodeclipse.rb

mv
use doubledash on ext cmd in programmer-dvorak.rb

command: rm.  Note that (irrelevant to this patch) the quoted glob
on the rm command is incorrect and will not work as intended.
use doubledash on external cmds in decitime.rb

for `cut` and `grep`. Also give explicit `-` for expected input via stdin.
Add BaseX 7.8.1

Note: 7.8.2 and latest don't seem to work, at least on OS X 10.9.2
Merge pull request #4411 from vitorgalvao/johndzi-basex

Add BaseX 7.8.1
add appcast URL for a-better-finder-rename.rb
add appcast URL for activity-audit.rb
add appcast URL for adventure.rb
add appcast URL for airparrot.rb
add appcast URL for all2mp3.rb
add appcast URL for amazon-cloud-drive.rb
add appcast URL for anvil.rb
add appcast URL for anxiety.rb
add appcast URL for appdelete.rb
add appcast URL for appfresh.rb
add appcast URL for appzapper.rb
add appcast URL for atext.rb
add uninstall stanza to flavours app
Upgrade Thunder.app to v2.6.2.1524
Add Inform 7.6L02 <http://inform7.com>