Include description in repository search. (#7942)

* Add description in repository search.

Signed-off-by: David Svantesson <davidsvantesson@gmail.com>

* Refactor SearchRepositoryByName with a general function SearchRepository

Signed-off-by: David Svantesson <davidsvantesson@gmail.com>

* Allow to specify if description shall be included in API repo search.

Signed-off-by: David Svantesson <davidsvantesson@gmail.com>

* Add new app.ini setting for whether to search within repo description.

Signed-off-by: David Svantesson <davidsvantesson@gmail.com>

* Search keyword in description (if setting enabled) on:
 - Explore page
 - Organization profile page
 - User profile page
 - Admin repo page

Do not search keyword in description on:
 - Any non-keyword search (not relevant)
 - Incremental search (uses API)

Signed-off-by: David Svantesson <davidsvantesson@gmail.com>

* Put parameters related to keyword directly after it

Signed-off-by: David Svantesson <davidsvantesson@gmail.com>

* Add test cases for including (and not including) repository description in search.

Signed-off-by: David Svantesson <davidsvantesson@gmail.com>

* Rename test function from TestSearchRepositoryByName to TestSearchRepository.

Signed-off-by: David Svantesson <davidsvantesson@gmail.com>

* Make setting SEARCH_REPO_DESCRIPTION default to true

Signed-off-by: David Svantesson <davidsvantesson@gmail.com>

templates/swagger/v1_json.tmpl

@@ -1099,6 +1099,12 @@
             "name": "topic",
             "in": "query"
           },
+          {
+            "type": "boolean",
+            "description": "include search of keyword within repository description",
+            "name": "includeDesc",
+            "in": "query"
+          },
           {
             "type": "integer",
             "format": "int64",