Remove ugly and confusing double-newlines

It made the output harder to read.
getmail: fix installation

getmail was using the return value of install, which was removed

Closes #21918
zsh-completions 0.10.0

Closes #21917.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
reattach-to-user-namespace 2.2

Closes #21919.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
RethinkDB 1.8.0

Closes #21914.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
getmail: simplify slightly
voltdb 3.4

Closes #21645.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
randomize-lines 0.2.7

Closes #21877.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
dmalloc 5.5.2

Closes #21876.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
randomize-lines: quote bin path
SubversionDownloadStrategy: fix reference to removed method
qemu 1.6.0

Closes #21922.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
libgsm 1.0.13

Closes #20688.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
dtrx 7.1

Closes #21599.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Add Hardware::CPU.arch_(32|64)_bit

This replaces hardcoding of i386/x86_64 all over the code.
Add MacOS.preferred_arch

Replaced the plethora of ternaries we've used all over the place to
determine whether x86_64 or i386 is called for.
Mach: improve PPC arch detection

Also adds some reusable constants into the global Hardware::CPU
namespace, available on both OS X and Linux.
Mach: add as_cmake_arch_flags helper
Mach: improve tests
Add Hardware::CPU.universal_archs