[stable10] consistent code with the separated encryption app repo

[phil-davis]

Description

1. bump all the copyright lines to be consistently 2019
2. adjust minor code format to be like what is in the encryption app repo
3. adjust unit test asserts to be like what is in the encryption app repo

Related Issue

owncloud/encryption#118

Motivation and Context

Get code aligned

How Has This Been Tested?

CI

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Database schema changes (next release will require increase of minor version instead of patch)
• Breaking change (fix or feature that would cause existing functionality to change)
• Technical debt
• Tests only (no source changes)

Checklist:

• Code changes
• Unit tests added
• Acceptance tests added
• Documentation ticket raised:

[codecov]

Codecov Report

Merging #35015 into stable10 will not change coverage.
The diff coverage is 100%.

@@             Coverage Diff             @@
##             stable10   #35015   +/-   ##
===========================================
  Coverage       64.46%   64.46%           
  Complexity      20064    20064           
===========================================
  Files            1286     1286           
  Lines           76928    76928           
  Branches         1307     1307           
===========================================
  Hits            49594    49594           
  Misses          26953    26953           
  Partials          381      381

Flag	Coverage Δ	Complexity Δ
#javascript	53.01% <ø> (ø)	0 <ø> (ø)	⬇️
#phpunit	65.68% <100%> (ø)	20064 <0> (ø)	⬇️

Impacted Files	Coverage Δ	Complexity Δ
...ption/lib/Exceptions/PublicKeyMissingException.php	75% <ø> (ø)	2 <0> (ø)	⬇️
apps/encryption/lib/Crypto/DecryptAll.php	87.05% <ø> (ø)	32 <0> (ø)	⬇️
...tion/lib/Exceptions/PrivateKeyMissingException.php	75% <ø> (ø)	2 <0> (ø)	⬇️
apps/encryption/lib/Crypto/Encryption.php	80.6% <ø> (ø)	55 <0> (ø)	⬇️
...pps/encryption/lib/Command/FixEncryptedVersion.php	92.2% <ø> (ø)	21 <0> (ø)	⬇️
apps/encryption/lib/Crypto/CryptHSM.php	92.85% <ø> (ø)	10 <0> (ø)	⬇️
apps/encryption/appinfo/app.php	0% <ø> (ø)	0 <0> (ø)	⬇️
apps/encryption/templates/mail.php	100% <ø> (ø)	0 <0> (ø)	⬇️
...s/encryption/lib/Controller/SettingsController.php	100% <ø> (ø)	8 <0> (ø)	⬇️
apps/encryption/lib/Command/MigrateKeys.php	0% <ø> (ø)	10 <0> (ø)	⬇️
... and 24 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update eecd7e1...d3b6750. Read the comment docs.

[codecov]

Codecov Report

Merging #35015 into stable10 will not change coverage.
The diff coverage is 100%.

@@             Coverage Diff             @@
##             stable10   #35015   +/-   ##
===========================================
  Coverage       64.46%   64.46%           
  Complexity      20064    20064           
===========================================
  Files            1286     1286           
  Lines           76928    76928           
  Branches         1307     1307           
===========================================
  Hits            49594    49594           
  Misses          26953    26953           
  Partials          381      381

Flag	Coverage Δ	Complexity Δ
#javascript	53.01% <ø> (ø)	0 <ø> (ø)	⬇️
#phpunit	65.68% <100%> (ø)	20064 <0> (ø)	⬇️

Impacted Files	Coverage Δ	Complexity Δ
...ption/lib/Exceptions/PublicKeyMissingException.php	75% <ø> (ø)	2 <0> (ø)	⬇️
apps/encryption/lib/Crypto/DecryptAll.php	87.05% <ø> (ø)	32 <0> (ø)	⬇️
...tion/lib/Exceptions/PrivateKeyMissingException.php	75% <ø> (ø)	2 <0> (ø)	⬇️
apps/encryption/lib/Crypto/Encryption.php	80.6% <ø> (ø)	55 <0> (ø)	⬇️
...pps/encryption/lib/Command/FixEncryptedVersion.php	92.2% <ø> (ø)	21 <0> (ø)	⬇️
apps/encryption/lib/Crypto/CryptHSM.php	92.85% <ø> (ø)	10 <0> (ø)	⬇️
apps/encryption/appinfo/app.php	0% <ø> (ø)	0 <0> (ø)	⬇️
apps/encryption/templates/mail.php	100% <ø> (ø)	0 <0> (ø)	⬇️
...s/encryption/lib/Controller/SettingsController.php	100% <ø> (ø)	8 <0> (ø)	⬇️
apps/encryption/lib/Command/MigrateKeys.php	0% <ø> (ø)	10 <0> (ø)	⬇️
... and 24 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update eecd7e1...d3b6750. Read the comment docs.