Merge pull request #150 from kxy/master

adding node.md
READM: npm install command for the Node client
Create watch.md
Added page for route under osx
Added descriptive names for the arguments for route
Create tcpflow.md
Fix tcpflow syntax
Show a line with /24 subnet
add support for cut command
Merge pull request #153 from marshally/cut

add support for cut command
cut: fix token syntax + group by characters/fields
Merge pull request #152 from axelcdv/master

Added page for route under osx
improve nc.md

add server & stay up
Merge pull request #154 from CatTail/master

improve nc.md
nc: fix list syntax
Contrib notes: Markdown format + token format
Contrib notes: check existing pull requests