File headers

[hriener]

This PR updates the file headers of all .hpp files in the includes directory:

• Missing author names are added to the file headers (based on the information provided by the git commit history)
• Mismatching file names in the file headers are identified and repaired

[coveralls]

Pull Request Test Coverage Report for Build 600277730

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.02%) to 79.81%

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Totals
Change from base Build 599375766:	0.02%
Covered Lines:	10499
Relevant Lines:	13155

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💛 - Coveralls