More api enhancements
Merge branch 'maven_java' of github.com:childsb/libgfapi-java-io into maven_java

Conflicts:
	src/main/java/glusterfsio/glfs_java.java
	src/main/java/glusterfsio/glfs_javaJNI.java
	src/main/java/org/gluster/fs/GlusterFile.java
	src/main/java/org/gluster/fs/GlusterOutputStream.java