Update copyright notice and formatting of module delegates

[zguesmi]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 56.31868% with 159 lines in your changes are missing coverage. Please review.

Project coverage is 78.88%. Comparing base (394a04a) to head (e37c9b8).

Files	Patch %	Lines
...modules/delegates/IexecEscrowTokenSwapDelegate.sol	0.00%	66 Missing ⚠️
...ts/modules/delegates/IexecEscrowNativeDelegate.sol	0.00%	35 Missing ⚠️
contracts/modules/delegates/SignatureVerifier.sol	42.00%	29 Missing ⚠️
...racts/modules/delegates/IexecAccessorsDelegate.sol	75.75%	16 Missing ⚠️
...cts/modules/delegates/IexecEscrowTokenDelegate.sol	84.21%	6 Missing ⚠️
...odules/delegates/IexecMaintenanceExtraDelegate.sol	0.00%	5 Missing ⚠️
...ules/delegates/IexecAccessorsABILegacyDelegate.sol	90.00%	2 Missing ⚠️

Additional details and impacted files

@@                          Coverage Diff                           @@
##           feature/format-solidity-interfaces      #69      +/-   ##
======================================================================
- Coverage                               79.96%   78.88%   -1.09%     
======================================================================
  Files                                      34       34              
  Lines                                    1118     1146      +28     
  Branches                                  226      216      -10     
======================================================================
+ Hits                                      894      904      +10     
- Misses                                    224      242      +18     

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[gfournieriExec]

Seems good to me