remove executable permissions for files
fixed a conf in README
OpenWrt backend: retrieve wireless mode
added a simple command into openwrt
Merge pull request #6 from cl4u2/master

retrieve wireless_mode for openwrt
added test for ssh.OpenWRT.wireless_mode
Modified the regular expression

	modificato:   utils.py
Merge branch 'master' of https://github.com/joxer/netengine

Conflicts:
	netengine/backends/ssh/openwrt.py
ssh.OpenWRT.RAM_total converted to property + test
Modified the parser for ifconfig

	modificato:   netengine/backends/ssh/base.py
	modificato:   netengine/utils.py
Little fix on an if

	modificato:   netengine/utils.py
Merge branch 'master' of https://github.com/joxer/netengine
updated failing test for ssh interface MTU values
udpated README
netengine.utils cleanup
minor cleanups
solve issues indicated by landscape