Fix git's output

When committing to a branch, git commit prints the branch name, "slow-blink" this time, not master.
Format git username uniformly.
Merge pull request #144 from paveljanik/patch-5

Fix git's output
Merge pull request #145 from paveljanik/formatgituser

Format git username uniformly.
Fix some typos

Signed-off-by: Thomas Ackermann <th.acker@arcor.de>