vim 7.3.923

Closes #19619.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
pdf2htmlex 0.8

Closes #19621.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Maven: detect Java using java_home

Closes #19618.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
nzbget 10.2

Closes #19623.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
nzbget: style edits
Extract string and class logic from parse_spec
Check Requirement before Dependency

It's much more likely that an instance of Requirement is passed.
TypeError is appropriate here
Try to reduce allocations in dependency construction