Merge pull request #1 from uckelman/master

Autotooled liblightgrep.
Merge pull request #2 from jonstewart/master

Documentation changes
Merge pull request #3 from jonstewart/master

configure change for Mac builds, plus some changes from Joel
Merge pull request #4 from uckelman/master
Merge pull request #5 from uckelman/master

Some minor autotools changes.
Merge pull request #6 from uckelman/master

Assorted changes to get current.
Merge pull request #7 from jonstewart/master

up-to-date
Merge pull request #8 from uckelman/master

CC parsing fixes. Etc.
Merge pull request #9 from uckelman/master

Make a convenience lib which exports all symbols. This lets val and what link on Macs.
Merge pull request #6 from LightboxTech/master

Check bison version