Added gulp task to concat /examples/*.js into ./examples.md
Updated readme.md
 -removed old examples
 -added link to new examples.md

 Do not forget to run "gulp" everytime you make changes in examples folder.
Merge remote-tracking branch 'yangit/examples'

Conflicts:
	package.json
modify README and commit examples.md

...to reflect usage of gulp, which automatically builds the examples.md file
from the examples in the examples/* directory.