git-trac, git-releasemgr: Change #! lines to use python3

git releasemgr {todo,merge-all}: Add options --patchbot-status and --status

git releasemgr: Add option --trac-context

git releasemgr merge-all: Put tickets with merge conflict to needs_work WITH useful info

Updated the PDF of the Git cheat sheet.

tox.ini: Update

ReleaseApplication._current_milestone: Search for first release tag

ReleaseApplication._commit: Python 3 fix

git releasemgr {todo,merge-all}: Add option --milestone

setup.cfg: New, add extras_require 'releasemgr'

Change 'git st' to 'git status', update doc url

Switching from the insecure git:// protocol to git over ssh and https://

refresh tested python versions

some changes for py3

move forward on python versions

Actually install the cheat sheet when using setup.py

Typo: alread -> already

trying to tell where conflicts lie

pyflakes cleanup

Update README.md

Fix typo: sagmath --> sagemath, in url

Update README.md

The setup.py command should have the --user flag so that we don't run into permission errors. Ot...

Added another clarification of using `git trac` for users with GitHub accounts

Token support

This is especially necessary for users who log into Trac with their
GitHub accounts, since they ...

Fix CI

let's see if this helps

Also add tests against Python 3.6

it's not so easy to tell which branch the conflicts comes from. Maybe one could use the informat...

Fixes #24

Fixdeprecation