Remove autotools files and gitignore entries
Move utils to src subdir
Remove autotools config.h includes
Move widgets.[ch] to src directory
Update include paths
Add basic waf build script

Ref #35
Fix build errors
Add confdir option and installation of config.json
Merge branch 'develop' into feature/waf

Conflicts:
	src/widgets.c
Update README
Merge branch 'feature/waf' into develop

Closes #35