Version 1.2.0

 - Add the `mf` keymap to run Fugitive's `:Gmerge`
 - Add `merginal#branchDetails` for better parsing of the branch info
 - Add `ct` and `cT` for tracking remote branches
 - Add `ps`,`pl` and `pf` to push, pull and fetch branches
 - Make `dd` be able to delete remote branches
 - `bd` in the branch list opens the diff files buffer to diff against the
   selected branch.