Add configurable warzone section to config.

[LlmDl]

Brief Description:

Replaces FlagWar's calls to Towny's warzone config section with a new
warzone config section of its own.

Also fixes Cell#parse(WorldCoord).

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Changes:

All of the calls to Towny's Warzone config section are replaced with a new flag war config section.

Bumps config version to 1.5.

Fixes TownBlockPVPTestEvent listener not being able to enable PVP in attacked cells.

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Relevant FlagWar Issue tickets:

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• I have tested this pull request for defects on a server.

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By making this pull request, I represent that I have read and agree to release my own changes that I
have submitted under the terms of the accompanying license (Apache-2.0). I guarantee that these
changes are mine and are not encumbered by any other license or restriction to the best of my
knowledge.