[9932] Change AllowTwoSide.Accounts default in code also.

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<pre>m src/game/World.cpp
m src/mangosd/mangosd.conf.dist.in
m src/shared/SystemConfig.h.in
m src/shared/revision_nr.h

[9932] Change AllowTwoSide.Accounts default in code also.

And update config version.

Also note: it not has been propertly updated in prev. time
when config version in .conf.in changed. It must be sync changed in
*.conf.in and in SystemConfig.h.in</pre>



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