Specify that python2 (not python3) is required
Issue #88: Implemented continuing saving during editing in system editor.
Issue #88: Fixed in continues saving, caused by missing of updating prev checksum after first saving.
notepad -> notebook
Merge pull request #162 from Laurent-Sarrazin/patch-1

notepad -> notebook
Merge pull request #158 from trilliput/issue88

Issue #88: Implemented continuing saving during editing in system editor...
Merge pull request #157 from glittershark/master

Specify that python2 (not python3) is required
Update README.md
Merge branch 'master' into body-width

* master:
  Update README.md
  notepad -> notebook
  Issue #88: Fixed in continues saving, caused by missing of updating prev checksum after first saving.
  Issue #88: Implemented continuing saving during editing in system editor.
  Specify that python2 (not python3) is required

Conflicts:
	geeknote/editor.py