Highlights of this release

This minor release includes a number of fixes for prioritized bugs and commits from community pull requests.

New fixes since v1.5.3-RC1

AR-768 export file_version use_statement as dao/@xLink:role (1eabb02) -- Steve Majewski
AR-1192 fix duplicate URI and text misalignment (f7c18de) -- Steve Majewski
AR-1648 display external ids as links in frontend if http(s): URL (2703bdb) -- Steve Majewski

AR-1373 Create notes of type 'odd' for <note> elements on EAD import. (9dd3c08, f119458, 168fc30, a4f9f67, e6b1709, 2fb6c91, 3f01229, 67f432c)
AR-1299 Remove MARCXML rules that add all 610 or 611 names within the XML into each corporate entity that is created. (cad1a30)
AR-1447 Don't show the extent calculator button for components. (8f81a82, 1b74073)
AR-1296 Fix RDE sticky styling on required columns. (9cc0bef)
AR-1493 Change remove templates form to use checkboxes instead of buttons. (329db0c)
AR-1413 Don't inadvertently hide instances. (14cf236, 77f0d4e)
AR-1444 Show the content of bulk dates correctly on EAD export. (ebef062)
AR-1531 Remove 'import' from job status messages as there are now different types of jobs. (e1dae17)
AR-1562 Exclude suppressed components from EAD export. (83764be)
AR-1620 Preserve the order of components on EAD export. (3dc40d5)
AR-1527 Change Reports menu link to link to the actual reports listing. (f733255)
Make the periodic indexer more robust against disks filling up. (464b7e6)

Many thanks to everyone who contributed to this release.

AR-1567 use normalize_boolean for publish in csv (c5c1efb) -- Mark Cooper
Security updates (29bd911) -- Mark Cooper
Add restart command to archivesspace.sh (cbb1d82) -- Michael Bond
Ignore dev config.rb and add to build docs (4df069b) -- Mark Cooper
Look for plugin_init.rb within indexer for plugins (8f12972) -- Mark Cooper
Ignore mysql connector ci skip -- Mark Cooper
fix test to correspond with new export mapping (7ecf387) -- Steve Majewski
fix unitdate import: if no @type attrib and only a single date, make model type = single (e6c12f7) -- Steve Majewski
remove commented out line (34bdb8c) -- Steve Majewski
pass unitdate/@certainty from EAD thru to PDF (df0cb5a) -- Steve Majewski
change to unitdate attributes on ead export (f465565) -- Steve Majewski
Double line break fix for Archon (ce0ee60) -- Chris Fitzpatrick
Add new container/profile perms to existing groups (new repos only) (374d1ac) -- Mark Cooper
AR-1286 adding embedded_files.less and corresponding at-file to sfrontend assets so that file version URIs adapt to image-container (497ad86) -- Jason Loeffler
remove any funny chars from filename and add a timestamp (cb11407) -- Chris Fitzpatrick
AR-1287 fixes login form for mobile/responsive (9101b7d) -- Chris Fitzpatrick
allow travis builds to run from plugin directory (96a03cd) -- Chris Fitzpatrick