Development environment work

 * Remove part about internal group communications (copy by
   other member to another section)
 * Add info about Eclipse IDE and plugins
 * Add info on Arduino IDE
Development environment work

 * Add info on Git VCS
 * Add info on GitHub

ref #10
Project management tools

Add info on:
 * Google Docs
 * Microsoft Word
 * LaTex
 * Google Calendar
 * Dropbox
 * Wunderlist

Ref #10
Merge branch 'master' into tools
Merge branch 'master' into tools
Wrote about:
	- Wunderlist
	- Doodle

Changed from subsubsubseciton to 'paragraph' and subsubsubsubsection to 'subparagraph'
Image reference bug #23
Testing git config.
Testing git config.
closes #10
Merge branch 'master' of https://github.com/Prosjekt2-09arduino/docs