Makes httpmime package not optional.

Author: cmorgner

pom.xml

@@ -214,25 +214,21 @@
 				<artifactId>tika-langdetect</artifactId>
 				<version>${tika.version}</version>
 				<type>pom</type>
-				<optional>true</optional>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.tika</groupId>
 				<artifactId>tika-langdetect-optimaize</artifactId>
 				<version>${tika.version}</version>
-				<optional>true</optional>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.httpcomponents</groupId>
 				<artifactId>httpcore</artifactId>
 				<version>4.4.11</version>
-				<optional>true</optional>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.httpcomponents</groupId>
 				<artifactId>httpmime</artifactId>
 				<version>4.5.9</version>
-				<optional>true</optional>
 			</dependency>
 			<dependency>
 				<groupId>com.fasterxml.jackson.core</groupId>