QFJ-914: Generate and package javadoc for release build (#128)

- re-enabled generation of javadoc for FIX field and message classes
 - if you do not want this, then -Dmaven.javadoc.skip=true is your friend :)
(cherry picked from commit cf1b0b2)

Conflicts:
	quickfixj-core/pom.xml

Author: chrjohn

pom.xml

@@ -155,9 +155,6 @@
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-javadoc-plugin</artifactId>
 					<version>${maven-javadoc-plugin-version}</version>
-					<configuration>
-						<excludePackageNames>quickfix.fix*</excludePackageNames>
-					</configuration>
 					<executions>
 						<execution>
 							<id>attach-javadocs</id>

quickfixj-core/pom.xml

@@ -394,10 +394,6 @@
 					<showSuccess>true</showSuccess>
 				</configuration>
 			</plugin>
-			<plugin>
-				<artifactId>maven-javadoc-plugin</artifactId>
-				<version>${maven-javadoc-plugin-version}</version>
-			</plugin>
 			<plugin>
 				<artifactId>maven-jxr-plugin</artifactId>
 				<version>2.5</version>

quickfixj-distribution/pom.xml

@@ -151,7 +151,7 @@
 							<!-- don't use custom stylesheet since it just breaks all style -->
 							<!--<stylesheetfile>${project.parent.basedir}/quickfixj-core/src/main/doc/javadoc.css</stylesheetfile>-->
 							<show>protected</show>
-							<maxmemory>1536m</maxmemory>
+							<maxmemory>2g</maxmemory>
 							<breakiterator>true</breakiterator>
 						</configuration>
 					</execution>