Try enabling Travis macOS build env.
Set C++ standard to enable building with clang.
Small hack for backwards compatibility with older SCons versions (e.g. 2.3.0).
Make sure gtkmm is installed on Travis.
Add .travis.yml file for CI build.
Rename README to README.md
Update README, make sure, it's proper Markdown.
Add link to website to "About" dialog.
Update SCons files to work with new (>2012) SCons versions.
Use "Variables" instead of "Options" to fix SCons warning.
Explicitly link against expat.
Fix typo in desktop file.
Add desktop file. Install SVG and PNG icons, generate PNG icon if necessary.
Allow specifying additional ccflags, disable debug mode by default.
Cleaner and simpler Gettext support for SCons.
Fix profiling switch in SConstruct. Speed up simulation by avoiding double calculation.
Cleanup of SCons files, eliminate further GCC warnings.
Eliminate some GCC warnings, close a possible memory leak.
Bumped version number to 0.3 .