Standardize Build

The build now uses spring build conventions to simplify the build

Fixes gh-4284

crypto/crypto.gradle

@@ -1,3 +0,0 @@
-dependencies {
-	optional 'org.bouncycastle:bcpkix-jdk15on:1.54'
-}

crypto/spring-security-crypto.gradle

@@ -0,0 +1,6 @@
+apply plugin: 'io.spring.convention.spring-module'
+
+dependencies {
+	optional 'commons-logging:commons-logging'
+	optional 'org.bouncycastle:bcpkix-jdk15on'
+}