basic docs structure
move dev env installation
header hierarchy
bash code block formating
use a phpstorm example that should work in most cases
add asset symlinking to dev env installation notes
fix typo
Merge pull request #47 from simplethings/docs-improvements

documentation improvements
added phpunit as dependency
added first draft
added tests for extract method
implemented extract method
added config for comment commenter
added newline at eof
implemented gadget
refactoring
renamed component and added error level
renamed Gadget in Test
renamed and move a lot to abstract base class
moved gadget names to constants