HH-28510 add mx4j httpadaptor
HH-28510 return to null check for starting adaptor[mmfedotov]
HH-28510 mx4j dependencies added
HH-31254 Formatting
HH-31254 refactoring, guice annotations replaced by javax annotations
HH-31254 add queue size option in GuicyAsyncExecutor [s.gromov]

Conflicts:
	nuts-and-bolts/src/main/java/ru/hh/nab/async/GuicyAsyncExecutor.java
refactored request scope to allow non-grizzly/jersey requests
Merge branch 'HH-28510'
Merge branch 'HH-31254'

Conflicts:
	nuts-and-bolts/src/main/java/ru/hh/nab/JerseyGutsModule.java
	nuts-and-bolts/src/main/java/ru/hh/nab/Launcher.java
	nuts-and-bolts/src/main/java/ru/hh/nab/NabModule.java
	nuts-and-bolts/src/main/java/ru/hh/nab/scopes/RequestScope.java
[maven-release-plugin] prepare release 1.4.21
[maven-release-plugin] prepare for next development iteration
HH-31338 add monitoring feature in GuicyAsyncExecutor [s.gromov]
[maven-release-plugin] prepare release nuts-and-bolts-parent-1.4.22
[maven-release-plugin] prepare for next development iteration