include commands to mirror locally

maybe better use ``wget -mk -w 10 http://path.to.the/page.html`` to be nice?
Adding two invaluable commands to tmux cheatsheet

* Detaching an already attached tmux session - great for when you are moving from a phone for example to a laptop and want to utilise the whole real estate you have.
* Reloading the configuration file on the fly by using the colon menu
Update wget
Update wget
[PS,GREP] Exclude grep from your grepped output of ps.
[XARGS] Add xargs example
Merge pull request #151 from carlu/master

Cheatsheets added for a couple of my favourite commands:
Merge pull request #150 from ImmortalPC/master

[PS,GREP] Exclude grep from your grepped output of ps.
Merge pull request #148 from brutus/master

include commands to mirror locally
Merge pull request #149 from ssherar/patch-1

Adding two invaluable commands to tmux cheatsheet
[IPTABLES,TCPDUMP] Add cheats for iptables and tcpdump
[SSH] add a cheat for ssh (encryption)
Merge pull request #153 from ImmortalPC/master

[IPTABLES,TCPDUMP] Add cheats for iptables and tcpdump
[IPTABLES] Add some cheats for iptables
[NMAP] Update nmap
[FIND] add a cheat to find all files that have the same node (hard link) as MY_FILE
[NMAP] Correct a bug
Merge pull request #154 from ImmortalPC/master

[IPTABLES,FIND,NMAP] Add some cheats for IPTables, Nmap and Find
[NMAP] Speed up nmap scan
[APT-GET] Donwload deb withtou installing it