Merge pull request #187 from asergi/master

Improve packaging
added Total traffic to network stats
Implemented toggle for total net stats
implemented Total net traffic as single R+T/s column
needed a not in the boolean check for network_stats_totalled
needed a not in the boolean check for network_stats_totalled
decided on final column name: Rx+Tx/s
Merge pull request #195 from jrenner/master

Press 't' to toggle single Rx+Tx/s column under network stats
correct comment for keypress "t" (116) to match help screen text
Merge pull request #196 from jrenner/master

Sorry, I forgot to change the comment
key "u" shows cumulative net traffic
Merge branch 'master' of https://github.com/jrenner/glances
Merge pull request #197 from jrenner/master

press 'u' to view cumulative network traffic
Merge branch 'master' of github.com:nicolargo/glances
Apply patch https://github.com/nicolargo/glances/pull/197#issuecomment-14490606
fix num of bits calculation for network stats
Merge pull request #199 from jrenner/master

fix bits/bytes calculation
fix crash bug when specifying custom server port
Merge pull request #202 from jrenner/master

fixed crash bug related to custom port with '-p' arg
netstats dict now contains time_since_update