Added autotools support for building/installing TSK datamodel jar file.
Added call to 'ant clean' on 'make clean'
Added tests in configuration for ant.
Added logic to pass ewf and zlib directories to ant build file.
Always attempt to load libraries from datamodel jar first, try to load from system path if it fails
Added --disable-java option to configure script.
Added file separator while creating tmp path for libraries
changed installation directory of jar file to /usr/share/java
Updated autotools configuration for building java bindings.
fixed bug where Ext4 files were being shown in a deleted folder that had same parent metadata address in DB code because lookup did not take version into account.
Merge branch 'master' of github.com:sleuthkit/sleuthkit
Merge https://github.com/sleuthkit/sleuthkit into autotools

Conflicts:
	configure.ac
Merge pull request #247 from jawallace/autotools

Autotools
Added check for java vm in configure.ac to enable jni and jar file build. Added modified versions of ac_prog_java.
Merge pull request #249 from jawallace/autotools

Added check for java vm in configure.ac to enable jni and jar file build...
Fixed the TSK_FS_TYPE_ENUM for YAFFS2.
Merge pull request #251 from raman-bt/master

Fixed the TSK_FS_TYPE_ENUM for YAFFS2.
Fixed bug in meta string for abstract file
Merge branch 'master' of github.com:sleuthkit/sleuthkit
Fixed compile errors on OS X