use ComboBox instead of JComboBox inspection
Log command execution changed

*problem with file_copies separation fixed using join mercurial internal command (for bash and not bash)
*browse changes action problem with 'reverse' command  fixed
*all internal mercurial commands quoted for bash execution (f.e. join, date etc)
*escaping bash symbols  process several symbols now, other should be escaped manually (because it may produce conflicts with mercurial commands recognition if quoted )
*annoying arguments flipped in log command builder
*annotations added
*comments added
Tests for Log command added
Style and rename
Github: add test
Github: show current login on successful token auth
Github: code review fixes
Git: IDEA-80043 fix action combobox selection
Github: load available branches synchronously
Github: fix Gist dialog on multiple files selection

to show or not to show "filename" field
Github: add scroll panes for description fields
Github: change suggested branches ordering

* show parent master branch if default not set