Makefile: add wget portability variable - $(WGET)
add tertiary fallback for unavailable package files
fix bracketing of wget calls
cleanup after failed download
add package cdn fallback
Makefile: correctly escape urls for amazon services
additional information in the documentation
doc update: add note about using local docs with development version
Merge branch 'stable'
Merge pull request #36 from william3/add_webpage_explanations

Add explanations to the webpage
Fix spacings
additional information in the documentation
Fix spacings
Merge branch 'stable'
Merge branch 'master' of git://github.com/mxe/mxe