refs #27 added a table to show the available csars
refs #27 added the name to the upload csar service
Merge branch 'master' into 27
refs #27 added the webinterface to list csars
* Added the ui to list csar
* Added the TableRow class as wrapper of csar and csar_file for the ui
* Added the creation of csars to the upload csar service refs #64
* Fixed the mapping of csars and csar_files refs #64
* Added the bootstrap theme
Merge pull request #66 from tothfn/27

Added the webinterface to list csars, fixes #27, fixes #64

It seems, that the fetchtype eager is necessary for both sides when mapping. This was fixed with ticket #64, which adds the missing fetchtype to the class CsarFile.
refs #25 added the download of csar_files
* Added the functionality for downloading csar_files to the ui and the backing bean
* Replaced the treetable with the grouped datatable and removed the TableRow class thatis no longer necessary
* Changed the DownloadCsarService to use UUIDs
* Changed the FileSystem to use UUIDs
* Added the use of UUIDs to the UploadCsarService
refs #25 added column header
added the column headers for fileId and Download
Merge pull request #67 from tothfn/25

Add the download of csar_files, fixes #25 

* Added the functionality for downloading csar_files to the ui and the backing bean
* Replaced the treetable with the grouped datatable and removed the TableRow class thatis no longer necessary
* Changed the DownloadCsarService to use UUIDs
* Changed the FileSystem to use UUIDs
* Added the use of UUIDs to the UploadCsarService