handle FileAlreadyExist' exception when driver tries to add certain files twice.
fix reef.sh to work with the new shaded JAR for the examples
DBC model and other .NET example change
DBC model change 2
undo the handling of FileAlreadyExistsException exception
Merge branch 'master' of https://github.com/Microsoft-CISL/REEF into YingdaReef

Conflicts:
	reef-examples/src/main/java/com/microsoft/reef/examples/retained_evalCLR/Launch.java
remove REEF_JAR_FILE to be comply with recent changes
Merge pull request #663 from Microsoft-CISL/YingdaReef

DBC model
update run.cmd to be compatible with REEF_JAR changes
Merge pull request #664 from Microsoft-CISL/YingdaReef

update run.cmd to be compatible with REEF_JAR changes
Changedt the POM to filter out the hadoop configuration
adding hdfs jar locations in run.cmd to resolve the hdfs-not-valid-fs
Added the hadoop-hdfs dependency to reef-examples
Merge branch 'master' of https://github.com/Microsoft-CISL/REEF into weimer_pom_update
Merge pull request #667 from Microsoft-CISL/weimer_pom_update

Merging this myself as it is really quite simple.
Merge pull request #666 from Microsoft-CISL/weimer_removeConfFromJAR

Merging this myself as it is really quite simple.
Merge pull request #665 from Microsoft-CISL/YingdaReef

adding hdfs jar locations in run.cmd to resolve the hdfs-not-valid-fs
Merge branch 'master' of https://github.com/Microsoft-CISL/REEF into shravanmn_groupcom