Merge branch 'master' of ssh://git.code.sf.net/p/golly/code into master
fixed problem on Windows when opening clipboard data containing a local @RULE
updated Golly version to 5.0
minor improvements to help for bounded grids
updated Golly version to 5.0b1
increased the maximum grid size in the LtL algo to 1 billion cells
Added Add Folder and Remove Folder commands to the File menu.
deleted RuleTableToTree.cpp and removed related build steps from makefiles