Add Aliases for ciphers in Phalcon\Crypt

[ibpavlov]

Hello!

• Type: bug fix | code quality

In raising this pull request, I confirm the following (please check boxes):

• I have read and understood the Contributing Guidelines?
• I have checked that another pull request for this purpose does not exist.
• I wrote some tests for this PR.

Small description of change:
The old versions supported aliases of ciphers and now it doesn't. They are easier to use and migration will be easier for those who use this class.

Thanks

[Jurigag]

Update changelog too. Also we don't accept PRs to master branch. Please send it to 3.0.x.

[sergeyklay]

1. We don't add changes directly to stable branches or master. Could you please send this PR to the 3.0.x branch?
2. Could you please update CHANGELOG.md

[ibpavlov]

I see that on 3.0.x are only fixes. If I have to I can change it to 3.1.x.
I'm sorry that I do things slow, but this is my first official pull-request.

[Jurigag]

Well you wrote this is bug fix, so it's for 3.0.x, not sure which exactly bug it's fixing.

[ibpavlov]

When I migrated my application to Phalcon 3.0.x it gave me an exception. These changes fixed the issue. I've decided to try and contribute it directly and not to create an issue in the system for someone else to solve.

[Jurigag]

Yea np, but if it's really bugfix then 3.0.x is fine.

[sergeyklay]

Thanks