Ensure that line lengths in README.rst do not exceed 80 characters

Author: anatoly-scherbakov

README.rst

@@ -190,14 +190,16 @@ Tests
 This library includes a sample testing utility which may be used to verify
 that changes to the processor maintain the correct output.
 
-To run the sample tests you will need the test suite files provided in the ``json-ld-api``,
-``json-ld-framing``, and ``rdf-canon`` repositories hosted on GitHub:
+To run the sample tests you will need the test suite files provided in the
+``json-ld-api``, ``json-ld-framing``, and ``rdf-canon`` repositories hosted
+on GitHub:
 
 - https://github.com/w3c/json-ld-api
 - https://github.com/w3c/json-ld-framing
 - https://github.com/w3c/rdf-canon
 
-They are included beneath ``specifications`` directory of this repository as Git submodules. By default, ``git clone`` does
+They are included beneath ``specifications`` directory of this repository as
+Git submodules. By default, ``git clone`` does
 not retrieve submodules; to download them, please issue the following command:
 
 .. code-block:: bash
@@ -206,7 +208,8 @@ not retrieve submodules; to download them, please issue the following command:
 
 Issue the same command to update each submodule to the latest available commit.
 
-If the suites repositories are available then all the tests can be run with the following:
+If the suites repositories are available then all the tests can be run with
+the following:
 
 .. code-block:: bash