Merge pull request #47 from TheCycoONE/installer-version-0.30

Set installer version to 0.30
Updated license and readme file in preparation for 0.30
Merge pull request #60 from Lego3/fix_license_and_readme

Updated license and readme file in preparation for 0.30
Merge pull request #59 from Lego3/changelog_0.30

Updated the changelog in preparation for 0.30
Merge pull request #69 from Lego3/finish_changelog_0.30

Finished updating the 0.30 changelog
Merge pull request #96 from alanwoolley/persist-fix

Possible fix for Issue #85
Add my build scripts from 0.21
Fix creation of x86 and x64 directories
Use LuaJIT in windows builds
Add link to Level Edit