Updates for new build script changes (osx/linux).
minor linux install text change
Use wget for osx.
Update build process.
@pmienk: encapsulate tests to be executed on 'make check' in run-tests.sh.
Change build script to target master, remove comment.
Update build instructions;
Condsider prefix path when executing bx at end of install.
Update sudo commandlines.
Generalize config settings and use formatted output for settings cmd.
Swap out test servers, fix example.cfg wait.
Update README.md
Merge pull request #128 from evoskuil/develop

Generalize config settings and use formatted output for settings cmd.
Catch-all in command line parsing.
Merge pull request #129 from evoskuil/develop

Catch-all in command line parsing.
Merge pull request #130 from libbitcoin/develop

Generalize config, use formatted output for settings cmd, catch all.
Comments and build flags.
Build cosmetics.
Merge pull request #131 from evoskuil/develop

Comments and build flags.
Update for OSX install.