dos2unix: add tests for all executables

Closes #28283.

Signed-off-by: Brett Koonce <koonce@gmail.com>
dart 1.3.0/r34825

Closes #28284.

Signed-off-by: Brett Koonce <koonce@gmail.com>
libcouchbase 2.3.0

Closes #28287.

Signed-off-by: Brett Koonce <koonce@gmail.com>
jpegoptim: update homepage/download URL

Closes #28285.

Signed-off-by: Brett Koonce <koonce@gmail.com>
nxcomp: initial formula for NX X compression library and proxy * Patch for OSX mavericks compatibilty * Patch for avoiding usage of STL internals on libc++
x2goclient: initial formula for X2Go NX Client application
nxcomp: add 3.5.0.22-lite bottle.
x2goclient: add 4.0.1.3 bottle.