Starting to outline a translation of the MATLAB materials
First commit
Added array manipulation
First draft of intro
Fixed index
fixed typos
first review corrections.
Merge remote-tracking branch 'origin/translating-novice-intro-into-matlab' into translate-to-matlab

Conflicts:
	novice/matlab/index.md
fixed output in wrong box
Matlab->MATLAB, minor changes
Added section on slicing
Renamed section
Edits to make novice R lesson 01 more similar to novice Python lesson 01.
Fix GPL name

GPL is the acronym for General Public License although it is
from the GNU Project.
Beginning translation of 02-func
Added "composing functions" section
Reflect current branding for Anaconda - no more CE
Typo fixes.
Added some extra explanation on function calls.
Removed closed parentheses when referring to functions in the text.