FluxBB 1.4.10 security release

#853 Backport category escaping fix
#852 Backport IP address escaping fixes
#851 Backport password reset vulnerability fix
Change version to 1.4.10
FluxBB 1.4.10 security release
FluxBB 1.4.10 security release
Merge pull request #72 from Studio384/fluxbb-1.4

FluxBB 1.4.10 security release