relocate docker

Signed-off-by: rootfs <hchen@redhat.com>
add vagrant recipe to deploy tachyon cluster on virtualbox and aws

Signed-off-by: rootfs <hchen@redhat.com>
doc and check that vagrant version 1.6.5 is required
review feedback:change image name from TachyonSlave to TachyonWorker
remove unused Exceptions in WorkerStorage
review feedback: not use aws subnet_id right now

Signed-off-by: rootfs <hchen@redhat.com>
equals requires hashCode. No usage of equals could be found so removed from Pair.
UiFileInfo defined compareTo without equals and hashCode.  Since this is needed, switched over to Comparator
null checks ignored in finally block with nullable types.  added transient flag to master info
added transient flag to all servlet fields
set jetty thread count as a config
Merge pull request #489 from dcapwell/findbugscleanup

Findbugscleanup
cleared
Merge pull request #490 from dcapwell/jettyconfigthreads

set jetty thread count as a config
format code
Merge pull request #488 from shimingfei/RemoveUnusedExceptions

remove unused Exceptions in WorkerStorage and format the code
set jetty thread count to 9

Set jetty thread count from 5 to 9 to avoid the bug mentioned in
[TACHYON-196]
Merge pull request #492 from PasaLab/TACHYON-196

[TACHYON-196] Set jetty thread count to 9
review feedback: remove obsolete comment

Signed-off-by: rootfs <hchen@redhat.com>
Merge pull request #486 from rootfs/vagrant-short

[TACHYON-127] Deploy Tachyon Cluster through Vagrant