Update build-cgminer.sh

missed a lot of sudo's
Update README.md
Update README.md
Update README.md
Update README.md
Update build-cgminer.sh
Update build-cgminer.sh

Added sudo apt-get install dh-autoreconf
Update build-cgminer.sh
fixed updater
 Dummy update
Create build-motd.sh

Just for fun :)
Update README.md
Minor changes
Minor UI changes
build time warning message added
removed un-needed line
added second warning message
stats file (basic system stuff for now)
too many echos!
spelling fix - Raspberry/Raspbian