Output settings after doing a build

Show the settings to the user after a build is completed so they are
able to see exactly what went down. Arguably this might be better done
in the beginning but usually it gets lost in the sea of output.
Merge pull request #346 from awiddersheim/build_fixes

Output settings after doing a build
Merge pull request #345 from ddpbsd/makefile-fallout

Makefile tweaks
Update log.c

Issue 348 dstt vs src
Merge pull request #350 from jrossi/issue-348

Update log.c
display defaults for PREFIX and MAXAGENTS in make help
fix several -Wextra warnings
Merge pull request #351 from cgzones/defaults

display defaults for PREFIX and MAXAGENTS in make help
fix compilation color
Merge pull request #353 from cgzones/reenable_colors

fix compilation color
Merge pull request #352 from cgzones/wextra

fix several -Wextra warnings
fix displaying settings after build
Merge pull request #354 from cgzones/settings_after_build

fix displaying settings after build
fix sign conversion
fix 'this decimal constant is unsigned only in ISO C90' warnings
fix etc/shared permissions: remoted needs to create merged.mg file
remoted needs to create ar queue
create dir var on agent
on agent, queue/rids needs to be accessed by user ossec
Merge pull request #355 from cgzones/conversion_fix

Conversion fix