DS-1928 use the oai-identifier schema in <description>
DS-1947: Remove reference to missing file

The missing file, seems to be an Institution specific file. 

The missing file in question m-tweaks.js
[DS-2035] fixes: dim crosswalk is missing values for metadatafields with more than one value for the same language
remove html output from rest
Close context at end of REST request to community

- Following advice from Richard Rodgers at OR14
DS-1986 Get new context each time, close in finally, for all REST methods
[DS-2060] Extended SOLR commit duration due to SpellCheckComponent ("Did you mean")
Merge pull request #561 from peterdietz/rest-context

DS-1986 REST to use new context for each request
Merge pull request #566 from KevinVdV/DS-2060

[DS-2060] Extended SOLR commit duration due to SpellCheckComponent ("Did you mean")
[DS-1958] Discovery OutOfMemoryError when indexing Large Bitstreams
Merge pull request #552 from antoine-atmire/DS-2035

[DS-2035] fixes: dim crosswalk is missing values for metadatafields with...
Merge pull request #507 from misilot/patch-4

DS-1947: Remove reference to missing file
Merge pull request #493 from helix84/DS-1928-OAI-identify

DS-1928 use the oai-identifier schema in <description>
Merge pull request #572 from KevinVdV/DS-1958

[DS-1958] Discovery OutOfMemoryError when indexing Large Bitstreams
[DS-1718] Add config parameter webui.submit.upload.ajax to dspace.cfg?

Just document it in dspace.cfg, with commented example.
Revert "[DS-1718] Add config parameter webui.submit.upload.ajax to dspace.cfg?"

This reverts commit 2903af5d3c281327f97d1be59f8c9b657465a69f.

There is some uncertainty about whether this should exist.  See the Issue.
Fix DS-2068 Tell Travis CI to retry a failed build
Merge pull request #577 from tdonohue/DS-2068

DS-2068 - Tell Travis CI to retry a failed build