Add images for lesson
Added info about man command and file naming with whitespaces
Added sublime to text editors
Marking work for tomorrow
00-short-intro: Fixed syntax error in "loop"
Fixes the email address to use datacarpentry.org.
Fixes the unlinked link for the repo.

For some reason Github doesn't seem to render a hyperlink if the whole
`[text](http://example.com)` is enclosed in backquotes (such as here).
fixes in 07-plotting-with-matplotlib, added plots and links
Intriduction - added dicts and functions
Extended matplotlib lesson. More information about managing figures and saving raster/vector graphics. Added more information about styling the plot (color, line and marker styles) and axes (scale, ticks, labels). Added a list of supported plot variants. Fixed some obvious mistakes.
A stub for lesson on formats - csv / tsv and so on.
Added img file - testing commit
Added example for csv issue
man-related changes in lessons 01 and 06
Some others file with examples added
Merge pull request #27 from czterybity/fixes_in_matplotlib

fixes in 07-plotting-with-matplotlib, added plots and links
Merge pull request #28 from czterybity/python_basics

Introduction - added dicts and functions
New example added - multiple info in cell
Merge pull request #23 from datacarpentry/fix-email

Fixes the email address to use datacarpentry.org.
Merge pull request #31 from apawlik/lesson-on-formats

A stub for lesson on formats - csv / tsv and so on.