[#333] refactor classes to be vcs independent

[Doldrums]

[Gitlab Support] Stage 1 - Rafactoring

[yegor256]

@Doldrums there are merge conflict, please take a look

[yegor256]

@mbao01 ping

[Doldrums]

@Doldrums there are merge conflict, please take a look

done
review please

[yegor256]

@rultor merge

[rultor]

@rultor merge

@yegor256 OK, I'll try to merge now. You can check the progress of the merge here

[rultor]

@rultor merge

@Doldrums @yegor256 Oops, I failed. You can see the full log here (spent 4min)

concurrent-ruby              1.1.9    1.1.10
faraday                      1.8.0    2.2.0
faraday-excon                1.1.0    2.1.0
faraday-httpclient           1.0.1    2.0.1
faraday-net_http             1.0.1    2.0.2
faraday-net_http_persistent  1.2.0    2.0.1
faraday-patron               1.0.0    2.0.1
faraday-rack                 1.0.0    2.0.0
ffi                          1.15.4   1.15.5
haml                         5.2.1    5.2.2    = 5.2.1    default
jmespath                     1.4.0    1.6.1
mocha                        1.11.2   1.13.0   = 1.11.2   default
octokit                      4.20.0   4.22.0   = 4.20.0   default
parallel                     1.21.0   1.22.1
parser                       3.0.3.1  3.1.2.0
pdd                          0.20.6   0.20.8   = 0.20.6   default
public_suffix                4.0.6    4.0.7
rack-protection              2.1.0    2.2.0
rainbow                      3.0.0    3.1.1
rake                         13.0.3   13.0.6   = 13.0.3   default
rb-fsevent                   0.11.0   0.11.1
rubocop                      0.69.0   1.28.1   = 0.69.0   default
rubocop-rspec                1.33.0   2.10.0   = 1.33.0   default
sawyer                       0.8.2    0.9.1
sentry-raven                 3.1.1    3.1.2    = 3.1.1    default
simplecov_json_formatter     0.1.3    0.1.4
sinatra                      2.1.0    2.2.0    = 2.1.0    default
sinatra-contrib              2.1.0    2.2.0    = 2.1.0    default
slop                         4.9.1    4.9.2
sprockets                    4.0.2    4.0.3    = 4.0.2    default
test-unit                    3.4.0    3.5.3    = 3.4.0    default
unicode-display_width        1.6.1    2.1.0
xcop                         0.6.2    0.6.3    = 0.6.2    default
Some dependencies are outdated
Test config is absent
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.google.inject.internal.cglib.core.$ReflectUtils$1 (file:/usr/share/maven/lib/guice.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain)
WARNING: Please consider reporting this to the maintainers of com.google.inject.internal.cglib.core.$ReflectUtils$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Test config is absent
Test config is absent
Failed to open TCP connection to localhost:34024 (Cannot assign requested address - connect(2) for "localhost" port 34024)
DynamoDB Local table: ACTIVE
DynamoDB Local is running in PID 20013

File does not exist: /home/r/repo/objects/clients/gitlab

Coverage report generated for Unit Tests to /home/r/repo/coverage. 149 / 649 LOC (22.96%) covered.
Stopped processing SimpleCov as a previous error not related to SimpleCov has been detected
rake aborted!
Command failed with status (1)
/home/r/.ruby/gems/rake-13.0.3/exe/rake:27:in `<top (required)>'
/home/r/.ruby/bin/ruby_executable_hooks:24:in `eval'
/home/r/.ruby/bin/ruby_executable_hooks:24:in `<main>'
Tasks: TOP => default => test
(See full trace by running task with --trace)
DynamoDB Local killed in PID 20013
container 0bf01f2a11d40b244f39bb8a70e49503d84995aad0f71fa8a26390b52c2690ab is dead
Fri Apr 22 07:06:34 CEST 2022

[yegor256]

@Doldrums did you check it locally?

[Doldrums]

@yegor256
it was planned that you would leave your review comments, and we merge the original pr

[Doldrums]

@mbao01 or maybe you can suggest something