Update libbitcoin_client dependency.
Change fetch-stealth client call (by passing bc::client::stealth_prefix instead of bc::stealth_prefix)
watch-address client-related changes; correction to generated src/test Makefile.am.
Update install script to reference libbitcoin_client/master
Reduce to nonrecursive make, fix break due to typedef change in send-tx.
Add parallelism to libbitcoin project installation.
Alter install script for travis test.
Script correction.
Modify max parallel argument on travis.
Modify install script to pass make arguments to test(s).
Normalized install script.
Revise install script to use 'make -j1' for travis builds, libbitcoin fork of protobuf.
Merge pull request #82 from pmienk/develop

client API adaptation, Makefile corrections