Public Domain License

see https://github.com/bdrister/dterm/issues/1
MIT License with proper copyright/trademark notice
move trademark notice up
Merge pull request #2 from muhqu/license

Public Domain License
re-add RichText version of the License file as it is required by DTerm to be displayed within the application... .oO(stupid me)
Merge pull request #3 from muhqu/license

re-add RichText version of the License
Merge remote-tracking branch 'bdrister/master' into HEAD
add license/trademark info to README
add --clean option to build script
output app version at end of build script