sdl2 2.0.0

Note that we still need the SDL2 ports of supporting libraries, e.g.
SDL2_image.
Improve checksum perf by providing an output buffer
Avoid reading whole files into memory during decompression
mosquitto: use assert in test; style nits
Remove outdated comment
curl 7.32.0
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
elasticsearch 0.90.3

Closes #21892.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Remove stray space
Add missing false
No need to map, all? takes a block
Collapse to one-liner