unrar --devel 5.0.10

Add devel block for unrar 5.0.10 (UNRAR 5.00 beta 8) which supports unraring
of rar 5 archives.

Closes #21882.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
unrar: remove special metafiles handling
pathname: remove unused return values

Return value was used only by one test, rewrote test to know expected value.
selenium-server-standalone 2.35.0

Closes #21875.
cassandra 1.2.8

Closes #21873.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
tbb: succeeds with clang 500

Closes #21881.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
git-tracker 1.6.1

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
GeoGit 0.4.0

Closes #21822.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
jenkins 1.527