Insert cp in the fr package.

Initial insert, some globals left to change.
Now using non standard representation as possable input for cp_grig.
Removed Bug. Wrong calculation of elements with nontrivial activity.
Branch algorithm now working fluently for alphabet [1,2] and given initial data.
IsConjugate, RepresentativeActionOp implemented for all FRElements.

Does not always terminate in finite time.
Temporary Comments printed.

Will be removed again.
Redone change.
Working at setup the start automatically.
Removed: "UnBindGlobal..."
Set name for the GrigorchukGroup.
Change comments to fit in latex output.
Error corrected.

fi; was missing.
Bug removed and method name changed.
Removed Print comands.
cp_branch in cp included.
cp_branched removed fromm loading.
cp_grig included in cp.

Some comments formated for nice latex output.
examples.g removed.