postgresql: fix caveat indentation

The extra-indented section was causing the
first 4 characters of the following section
to be truncated.

Closes #22706.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
pdf2htmlex: requires Lion or newer
pdf2htmlex 0.9

Closes #22690.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Add concat to BuildOptions
Give this a proper name
Move options to SoftwareSpec
Move dependencies to SoftwareSpec
Allow requiring universal deps
guile: use spec deps
asciidoc: use spec deps
mobile-shell: use spec deps
xmp: use spec deps
csync: use spec deps
libxml2: use spec deps
avrdude: use spec deps
blitz: use spec deps
ccache: use spec deps
cherokee: use spec deps
couchdb: use spec deps
czmq: use spec deps