Release urgent feature 2.7.0 in response to request from user @grflukas.

https://wordpress.org/support/topic/multiple-reference-containers-in-single-post/
Bundled with two bugfixes.
https://github.com/markcheret/footnotes/issues/65
https://github.com/markcheret/footnotes/issues/71
Last release directly to SVN.
= 2.7.0 =
- Adding: Reference container: optionally per section by shortcode, thanks to @grflukas issue report.
- Bugfix: Excerpts: make excerpt handling backward compatible, thanks to @mfessler bug report.
- Bugfix: Dashboard: debug the 'Quick start guide' tab, thanks to @rumperuu bug report.

git-svn-id: https://plugins.svn.wordpress.org/footnotes/trunk@2515217 b8457f37-d9ea-0310-8a92-e5e31aec5664

readme.txt

@@ -4,9 +4,9 @@ Tags: footnote, footnotes, bibliography, formatting, notes, Post, posts, referen
 Requires at least: 3.9
 Tested up to: 5.7
 Requires PHP: 7.0
-Package Version: 2.6.6
-Version: 2.6.6
-Stable Tag: 2.6.6
+Package Version: 2.7.0
+Version: 2.7.0
+Stable Tag: 2.7.0
 CAUTION: THE S. T. FIELD IS PARSED FOR RELEASE CONFIGURATION.
 License: GPLv3 or later
 License URI: https://www.gnu.org/licenses/gpl-3.0.html
@@ -80,6 +80,11 @@ Visit this swift write-up from a **footnotes** user by the name of **Southwest**
 
 == Changelog ==
 
+= 2.7.0 =
+- Adding: Reference container: optionally per section by shortcode, thanks to @grflukas issue report.
+- Bugfix: Excerpts: make excerpt handling backward compatible, thanks to @mfessler bug report.
+- Bugfix: Dashboard: debug the 'Quick start guide' tab, thanks to @rumperuu bug report.
+
 = 2.6.6 =
 - Bugfix: Process: fix issue that caused some footnotes to not be processed, thanks to @docteurfitness @rkupadhya @offpeakdesign bug reports.