Remove unused boost component from build.
Merge pull request #31 from libbitcoin/develop

Remove unused boost component from build.
Add symbolic links to explorer for bx and sx.
Add images.
Update doc.
Add command aliases.
Remove unused boost component from build.
Help command return okay when not parameterized.
Support test from non-default folder installation.
Merge pull request #32 from evoskuil/develop

Update doc, add bx & sx command aliases, tweak builds.
Merge pull request #33 from libbitcoin/develop

Merge develop.
Update README.md
Update README.md
Add command aliases. (reverted from commit 0a42d2a92970e7de5b3e75081e036b8acfc63cda)
Merge pull request #37 from evoskuil/develop

Add command aliases. (reverted from commit 0a42d2a...)
Merge pull request #38 from libbitcoin/develop

Add command aliases. (reverted from commit 0a42d2a)