CORDA-2331 Split Workflow and contracts of Finance App into separate Cordapps (#4422)

* Split Workflow and contracts of Finance App into separate Cordapps, part 1 - content which is different between OS and ENT is still in contract Cordapp.

* Move CashSelection implementations to workflow module.

* Move CashSelection implmentations to workflow module.

* Move finance module to finance-flows, top level finance module is empty.

* Move finance module to finance-flows, top level finance module is empty.

* Updated build comment.

* Revert publication of combined (contracts and flows) corda-finance.jar (to maintain backwards compatibility with 3rd party cordapps dependent on finance)

* Added backwards compatibility clarification comment.

* Re-instate new cordapp metadata.

* Global rename of `finance-flows` to `finance-workflows` to follow adopted naming conventions.

* Addressed final review comments.

* Rename application to "Corda Finance Demo"

* Generation of original corda-finance jar from new sub-modules.

* Fixed and tested demobench with new split finance contract and workflow jars.

* Renamed finance sub-modules to contracts and workflows.

* Remove Michele!!!

* Minor fix to filtering logic.

* Align CorDapp configuration filename with workflows jar.

* Fix breaks caused by finance module naming changes.

* Final alignment between OS/ENT of finance contract code.

docs/source/example-code/build.gradle

@@ -41,8 +41,9 @@ dependencies {
     compile project(path: ":node:capsule", configuration: 'runtimeArtifacts')
     compile project(path: ":webserver:webcapsule", configuration: 'runtimeArtifacts')
 
-    // Corda Plugins: dependent flows and services
-    compile project(':finance')
+    // CorDapps: dependent flows and services
+    compile project(':finance:contracts')
+    compile project(':finance:workflows')
 }
 
 mainClassName = "net.corda.docs.ClientRpcTutorialKt"