Minor updates to the REEF HTTP Server pom file
 * Added a name
 * Added a description
Merge pull request #786 from Microsoft-CISL/weimer_webserver_pom

Minor updates to the REEF HTTP Server pom file
bugfix: accept path names like '/foo/.' in classpath
remove redundant definitions for hadoop.version in reef-io and reef-examples
Updated the error messages for Resource Manager reported Container Failure
This closes #767: The exception sent to the user code when the resource manager reports a failed or closed Container are now more legible and give a clearer explanation of what actually happened.
Created reef-examples-clr
 * Added a new submodule `reef-examples-clr`
 * Moved the CLR examples to that new module
 * Removed the CLR examples from `reef-examples`
update retainedEvalCLR files location
Merge pull request #787 from Microsoft-CISL/weimer_767

Updated the error messages for Resource Manager reported Container Failure
Merge pull request #790 from Microsoft-CISL/weimer_yingda_clr_examples

update retainedEvalCLR files location
Merge branch 'master' of github.com:Microsoft-CISL/REEF into weimer_clr_examples
Merge branch 'weimer_clr_examples' of github.com:Microsoft-CISL/REEF into weimer_clr_examples
Merge pull request #784 from Microsoft-CISL/juwang-httpServer2

Dynamic port number assignment for the HTTP server and various small fixes
Merge branch 'master' of github.com:Microsoft-CISL/REEF
Merge branch 'master' of https://github.com/Microsoft-CISL/REEF into juwang-httpServerDistributedShell