Merge pull request #19 from pmienk/master

Make tests a configuration parameter
Reduce boost min version dependency to 1.49.
Update install script with --prefix and osx support.
Build cosmetics.
Merge pull request #20 from evoskuil/master

Update install script with --prefix and osx support.
Update install script for osx.
Rationalize configuration with libbitcoin.
Add conditionals feedback and enable silent rules.
add missing m4 files
Enable warning suppressor.
Comment.
Merge pull request #21 from evoskuil/master

Rationalize configuration with libbitcoin and update for osx.
Remove libcrypto from test dependency.
Remove extra dquotes.
Correct temp build directory.
Clean up for protobuf header warnings.
Correct test compilation due to corrected libbitcoin.pc (removed -lboost_unit_test_framework).