WEB-8369 Allow user configured order of auto completion suggestions

- LiveTemplateCompletionContributor should consider custom live templates
WEB-8369 Allow user configured order of auto completion suggestions

- ChooseItemAction should use the same code as ExpandTemplateAction without
completion list
WEB-7112 Emmet: completion for results of the fuzzy search
WEB-8369 Allow user configured order of auto completion suggestions
Github: code review fixes
IDEA-106336 Github: Share project: Allow to customize the initial commit message
IDEA-85140 GitHub "Rebase my Github fork" rewrite
Reset previously imported external project info. The problem is that it's applied on subsequent unsuccessful 'import from external system'