Create better structure for the plugins - this covers only the "commands"
all commands files are moved to a command directory and renamed from command_name.* to name.* for the sake of simplicity
modified files for the structure change of commands
Merge branch 'master' into directory_structure
fix setup.py

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
fix tests

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
Merge pull request #1 from Kwpolska/directory_structure

fix setup.py
Merge pull request #593 from areski/directory_structure

Move command plugins into their own folder, for better directory structure (Issue #564)
Merge branch 'master' of github.com:ralsina/nikola into auto-tuning
Adapt to the new folder structure, re-add missing .plugin file