Add overloaded init methods that take the public key from a stream an…

[dkocher]

…d properly initialize. Resolves #907.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 45.00000% with 22 lines in your changes are missing coverage. Please review.

Project coverage is 68.50%. Comparing base (03f8b22) to head (17fe2ab).
Report is 8 commits behind head on master.

❗ Current head 17fe2ab differs from pull request most recent head 9edc75f. Consider uploading reports for the commit 9edc75f to get more accurate results

Files	Patch %	Lines
...sshj/userauth/keyprovider/OpenSSHKeyV1KeyFile.java	23.52%	11 Missing and 2 partials ⚠️
...sshj/userauth/keyprovider/BaseFileKeyProvider.java	61.53%	2 Missing and 3 partials ⚠️
...mizz/sshj/userauth/keyprovider/OpenSSHKeyFile.java	60.00%	2 Missing and 2 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #908      +/-   ##
============================================
- Coverage     68.96%   68.50%   -0.47%     
+ Complexity     1448     1416      -32     
============================================
  Files           208      207       -1     
  Lines          7602     7529      -73     
  Branches        658      642      -16     
============================================
- Hits           5243     5158      -85     
- Misses         2009     2028      +19     
+ Partials        350      343       -7     

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[dkocher]

Not sure how to update the code coverage report with updated results from the force pushed commit.

[hierynomus]

@dkocher if you can bring this back up to date with the base branch, and see whether coverage can be improved slightly to make the codecov happy, I'll merge this so that we can bring out a new version.