Update version to 0.1.5.1
Update version to 0.1.5.1

coinkeeper/2015-06-22_18-48_syscoin,coinkeeper/2015-06-22_18-48_syscoin,coinkeeper/2015-06-22_18-48_syscoin,coinkeeper/2015-06-22_18-48_syscoin,coinkeeper/2015-06-22_18-48_syscoin,coinkeeper/2015-06-22_18-48_syscoin