Promoted 'getUniquePath' method from AbstractFile to Content interface.
Refactored implementation of 'getUniquePath' in several implementing
classes. These changes in support of AUT-753.
Merge branch 'master' of https://github.com/sleuthkit/sleuthkit
added size to malloc error messages
Merge pull request #149 from tmciver-basis/master

In support of AUT-753
Made all three implementation of Content.getUniquePath be synchronized.
Merge branch 'master' of https://github.com/sleuthkit/sleuthkit
Merge pull request #150 from tmciver-basis/master

Made 'getUniquePath' synchronized.
make getParent() thread safe
jni: better error message in log when can't load libraries, indent/reformat code (no logic changes)
jni load better message
Merge pull request #151 from adam-m/master

jni: better log message when loading libs, synchronize getParent() lazy loading
Merge remote-tracking branch 'upstream/master'