Tag license rules with key phrases

Signed-off-by: Philippe Ombredanne <pombredanne@nexb.com>

Author: pombredanne

src/licensedcode/data/rules/elastic_1.RULE

@@ -1,2 +1,2 @@
- Licensed under the Elastic License;
- * you may not use this file except in compliance with the Elastic License.
+ Licensed under the {{Elastic License}};
+ * you may not use this file except in compliance with the {{Elastic License}}.

src/licensedcode/data/rules/elastic_2.RULE

@@ -1,3 +1,3 @@
-This directory tree contains files subject to the Elastic License. 
-The files subject to the Elastic License are grouped in this directory to 
-clearly separate them from files licensed under the Apache License 2.0.
+This directory tree contains files subject to the {{Elastic License}}. 
+The files subject to the {{Elastic License}} are grouped in this directory to 
+clearly separate them from files licensed under the {{Apache License 2.0}}.

src/licensedcode/data/rules/gpl-1.0-plus_or_cups_1.RULE

@@ -2,8 +2,8 @@ Distribution and use rights are outlined in the file "LICENSE.txt"
  which should have been included with this file. [...]
 
  This code and any derivative of it may be used and distributed freely
- under the terms of the GNU General Public License
- when used with GNU Ghostscript or its derivatives.
+ {{under the terms of the GNU General Public License
+ when used with GNU Ghostscript or its derivatives}}.
  Use of the code (or any derivative of it)
  with software other than GNU GhostScript (or its derivatives)
- is governed by the CUPS license agreement.
+ is governed by the {{CUPS license agreement}}.

src/licensedcode/data/rules/mit_344.RULE

@@ -1,4 +1,4 @@
-// Licensed under the MIT License (the "License"); you may not use this file except
+// Licensed under the {{MIT License}} (the "License"); you may not use this file except
 // in compliance with the License-> You may obtain a copy of the License at
 //
-// http://opensource->org/licenses/MIT
+// http://opensource->org/{{licenses/MIT}}