[docs] cosmetic
[docs] moved example md’s to examples/**/md’s and added script to gather
them for publication
[docs] updated instructions for contributing documentation
[docs] shelhamer's minor suggestions
Merge pull request #675 from sergeyk/master

Revamped docs system
[example] image classification web demo
Merge pull request #679 from sergeyk/master

[example] image classification web demo
back-merging [docs] changes and web demo [example] addition; updating
net_surgery example to new format

Conflicts:
	docs/getting_pretrained_models.md
	docs/index.md