Implement auto timeout for some MessageBox dialogs.  (FS#1189)
Clean some include dependencies.
Correct logfile max size limit.
Merge branch 'master' of https://github.com/OpenCPN/OpenCPN
Merge branch 'master' into refactoring

Conflicts:
	include/chart1.h
	include/s52s57.h
	src/chart/s52plib.h
	src/chart1.cpp
	src/pluginmanager.cpp