maint: Add *~ in excludes eclipse CDT resources.
maint: Rename headers guard for fulfill google c++ style guide.
maint: Add cpplint.py in build-aux/ and fixes in .gitignore enable it.
Add maint.mk with rules to fetch and run cpplint.py[1].
[1] http://google-styleguide.googlecode.com/svn/trunk/cpplint/cpplint.py