CIP-9999 | Add mandatory Copyright + related cleanup (#762)

* add mandatory Copyright to CPSs, clean up CIP License glitches

* missed License in CPS header

* add Copyright section also to CPS template

* adding License: tag also to CPS template YAML header

Author: rphair

.github/CPS-TEMPLATE.md

@@ -9,6 +9,7 @@ Proposed Solutions: []
 Discussions:
     - https://github.com/cardano-foundation/CIPs/pull/?
 Created: YYYY-MM-DD
+License: CC-BY-4.0
 ---
 
 <!-- Existing categories:
@@ -44,3 +45,9 @@ Finally, goals may also serve as evaluation metrics to assess how good a propose
 <!-- A set of questions to which any proposed solution should find an answer. Questions should help guide solutions design by highlighting some foreseen vulnerabilities or design flaws. Solutions in the form of CIP should thereby include these questions as part of their 'Rationale' section and provide an argued answer to each. -->
 
 <!-- OPTIONAL SECTIONS: see CIP-9999 > Specification > CPS > Structure table -->
+
+## Copyright
+<!-- The CPS must be explicitly licensed under acceptable copyright terms.  Uncomment the one you wish to use (delete the other one) and ensure it matches the License field in the header:
+
+<!-- This CPS is licensed under [CC-BY-4.0](https://creativecommons.org/licenses/by/4.0/legalcode). -->
+<!-- This CPS is licensed under [Apache-2.0](http://www.apache.org/licenses/LICENSE-2.0). -->

CIP-0001/LICENSE

@@ -177,7 +177,7 @@ Since this is a functional definition it would typically be in one or more subse
 
 ##### Licensing
 
-CIPs are licensed in the public domain. Moreso, they must be licensed under one of the following licenses. Each new CIP must identify at least one acceptable license in its preamble. In addition, each license must be referenced by its respective abbreviation below in the _"Copyright"_ section.
+CIPs are licensed in the public domain. More so, they must be licensed under one of the following licenses. Each new CIP must identify at least one acceptable license in its preamble. In addition, each license must be referenced by its respective abbreviation below in the _"Copyright"_ section.
 
 | Purpose             | Recommended License                                                                    |
 | ---                 | ---                                                                                    |

CIP-0001/README.md

@@ -181,6 +181,6 @@ The only prior work done towards that direction has been [jcli](https://input-ou
 
 ## Copyright
 
-This CIP is licensed under Apache-2.0.
+This CIP is licensed under [Apache-2.0](https://www.apache.org/licenses/LICENSE-2.0).
 
 [CIP-0014]: https://github.com/cardano-foundation/CIPs/blob/645243e30b5aae109a70ec2b47af70dcc808bc56/CIP-0014