* Upgrade gradle plugin; add target version attribute to finance and sample cordapps.
* Remove '-SNAPSHOT' from gradlePluginsVersion.
* Fix naming.
* Update docs.
* Respond to feedback.
* Fix irs demo
* Fix more samples
* Fix more samples
* Fix deployNodes
* Fix deployNodes
* more fixes
* fix simm valuation
* more fixes
* more fixes
* more fixes
* more fixes
* Publication should have *nothing* to do with cordformation and deployNodes.
Remove it! And if this exposes a bug then "so be it".
* Disable CorDapp signing for Cordapp Configuration and Network Verifier.
* Disable CorDapp signing for SIMM Valuation Demo.
* Remove remaining publishing nonsense from samples.
* Workarounds fpr cordapp-configuration, network-verifier and simm-valuation-demo:
JarSigner rejects jars with duplicates inside, so remove them.
* Upgrade to Gradle plugin 4.0.32 and reenable CorDapp signing for samples.
Set the "h2.allowedClasses" system property, require database password when exposing H2 server on non-localhost address, samples start H2 server by default (reintroduces the behaviour before h2Settings.address configuration option was added)
