Radio: Backported communication display to omnetpp 4.x.
Units: Added GHz unit.
Mapping: Added FrequencyMapping and support dimensional values without time dimension.
Radio: Implemented timeGains and frequencyGains parameters.
Radio: Completed and cleaned up printToStream and constructors.
Radio: Moved WifiModulation to physical layer.
Radio: Minor fixes.
Radio: Renamed to Ieee80211PreambleMode and Ieee80211Modulation.
Doc: Updated ChangeLog files.
manual: fix: it said "OMNeT++ Manual" in page headers
manual: remove build artifacts from the repo
manual: removed unknown dot syntax

label=<<I>TCPAlgorithm</I>> syntax is not understood by the dot program I have
manual: builds on windows (some paths hardcoded)
manual: ch-environment.tex: editing
manual: ch-environment.tex: section reordering and further editing
power
phy /1