Add reactive dependencies.

See gh-25.

pom.xml

@@ -100,6 +100,14 @@
 				<type>pom</type>
 			</dependency>
 
+			<dependency>
+				<groupId>io.projectreactor</groupId>
+				<artifactId>reactor-bom</artifactId>
+				<version>Bismuth-BUILD-SNAPSHOT</version>
+				<scope>import</scope>
+				<type>pom</type>
+			</dependency>
+
 			<!-- Spring Framework -->
 			<dependency>
 				<groupId>org.springframework</groupId>

spring-vault-core/pom.xml

@@ -50,6 +50,18 @@
 			<artifactId>jackson-databind</artifactId>
 		</dependency>
 
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-webflux</artifactId>
+			<optional>true</optional>
+		</dependency>
+
+		<dependency>
+			<groupId>io.projectreactor.ipc</groupId>
+			<artifactId>reactor-netty</artifactId>
+			<optional>true</optional>
+		</dependency>
+
 		<dependency>
 			<groupId>org.apache.httpcomponents</groupId>
 			<artifactId>httpclient</artifactId>
@@ -107,6 +119,12 @@
 			<scope>test</scope>
 		</dependency>
 
+		<dependency>
+			<groupId>io.projectreactor</groupId>
+			<artifactId>reactor-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+
 		<dependency>
 			<groupId>org.mockito</groupId>
 			<artifactId>mockito-core</artifactId>
@@ -114,6 +132,7 @@
 		</dependency>
 
 		<!-- Logging -->
+
 		<dependency>
 			<groupId>ch.qos.logback</groupId>
 			<artifactId>logback-classic</artifactId>

spring-vault-dependencies/pom.xml

@@ -61,7 +61,7 @@
 		<httpcore.version>4.4.6</httpcore.version>
 		<netty.version>4.1.9.Final</netty.version>
 		<okhttp3.version>3.7.0</okhttp3.version>
-		<jackson.version>2.9.0.pr2</jackson.version>
+		<jackson.version>2.9.0.pr4</jackson.version>
 	</properties>
 
 	<dependencyManagement>