Small clean up to Repeat Keyword's timeout support.
Small clean up to Repeat Keyword's timeout support.

Mainly enhanced documentation and renamed/reorganized methods.

Fixes #2245.

joongh/robotframework,HelioGuilherme66/robotframework,joongh/robotframework,joongh/robotframework,alexandrul-ci/robotframework,alexandrul-ci/robotframework,snyderr/robotframework,robotframework/robotframework,HelioGuilherme66/robotframework,jaloren/robotframework,alexandrul-ci/robotframework,robotframework/robotframework,HelioGuilherme66/robotframework,alexandrul-ci/robotframework,snyderr/robotframework,jaloren/robotframework,jaloren/robotframework,alexandrul-ci/robotframework,joongh/robotframework,snyderr/robotframework,robotframework/robotframework,snyderr/robotframework,jaloren/robotframework,jaloren/robotframework,snyderr/robotframework,joongh/robotframework