Make 2.1.0 release (#82)

* Make 2.1.0 release
** Add release date
** Update Requirements section
** Update Installation section
** Remove obsolete documentation
** Formatting tweaks
** Increment version

Author: kghbln

README.md

@@ -22,7 +22,7 @@ This [video](https://vimeo.com/115871518) demonstrates the functionality of the
 
 ## Requirements
 
-- PHP 7.0 or later
+- PHP 7.1 or later
 - MediaWiki 1.31 or later
 - [Semantic MediaWiki][smw] 3.0 or later
 
@@ -42,15 +42,15 @@ create one and add the following content to it:
 ```
 {
 	"require": {
-		"mediawiki/semantic-interlanguage-links": "~2.0"
+		"mediawiki/semantic-interlanguage-links": "~2.1"
 	}
 }
 ```
 
 If you already have a "composer.local.json" file add the following line to the end of the "require"
 section in your file:
 
-    "mediawiki/semantic-interlanguage-links": "~2.0"
+    "mediawiki/semantic-interlanguage-links": "~2.1"
 
 Remember to add a comma to the end of the preceding line in this section.
 

RELEASE-NOTES.md

@@ -2,7 +2,7 @@ This file contains the RELEASE-NOTES of the **Semantic Interlanguage Links** (a.
 
 ### 2.1.0
 
-Released on (tentative date).
+Released on April 2, 2020.
 
 * Minimum requirement for
   * PHP changed to version 7.1 and later

docs/README.md

@@ -1,6 +1,6 @@
 
 * [Parser functions](01-parser-function.md) contains details and usage examples
-* [Example #ask queries](02-ask-queries.md)
+* [Example `#ask` queries](02-ask-queries.md)
 * [Technical notes](09-notes.md)
 
 ## Usage
@@ -26,21 +26,16 @@ language target link list.
 - A set of predefined properties ( `Page content language`, `Interlanguage reference`,
   `Interwiki language`, `Interwiki reference`, and `Has interlanguage links`) are provided and can
   be used to create customized `#ask` queries (e.g `Has interlanguage links.Page content language`).
-- SIL provides a `by Language` `Special:Search` filtering option to match interlanguage property annotations
-  for pre-selected pages. If the `by Language` profile (or the advanced profile) is used together with
-  a specific language filter then any pre-selected article (provided by the `SearchEngine`) that does not match
-  the language will be excluded from the result list. It may be necessary to broaden the limit before a match
-  can be found because SIL does only compare languages against pre-selected results (it does not search by itself).
 - If a category page contains a `Page content language` annotation, SIL will filter and display only pages
   that match that content language. In cases where no language has been assigned (or filtering has been disabled),
   the category page will display all pages without changes or filtering.
 
 ### Configuration
 
-- `$GLOBALS['silgCacheType'] = CACHE_ANYTHING;` is being set to be the default value to improve query lookups
+- `$silgCacheType = CACHE_ANYTHING;` is being set to be the default value to improve query lookups
    during each page view with cache invalidation being carried out during any delete, change or move action.
-- `$GLOBALS['wgHideInterlanguageLinks']` is enabled (set to `true`), no sitelinks or annotations are created
+- `$wgHideInterlanguageLinks` is enabled (set to `true`), no sitelinks or annotations are created
   (in order to correspond to the MW default behaviour for interwiki links)
-- If `$GLOBALS['wgPageLanguageUseDB']` was enabled and `Special:PageLanguage` assigned a different language from
+- If `$wgPageLanguageUseDB` was enabled and `Special:PageLanguage` assigned a different language from
   the annotated SIL value then the `Page content language` will be restored to provide consistency with the
-  expected language
+  expected language

extension.json

@@ -1,6 +1,6 @@
 {
 	"name": "SemanticInterlanguageLinks",
-	"version": "2.1.0-alpha",
+	"version": "2.1.0",
 	"author": [
 		"James Hong Kong",
 		"..."