Major cleanup of makefiles, api tests.

[ccan] / .bzrignore

_info
.depends
*.d
*~
tools/ccan_depends
tools/doc_extract
tools/namespacize
tools/run_tests
tools/ccanlint/ccanlint
tools/ccanlint/generated-init-tests
inter-depends
test-depends
lib-depends
tools/_infotojson/infotojson