build: update README for windows builds.
REAMDE: update supported platforms.
README: update architecture list.
REAMDE: add subtitles.
README: subsubtitle things.
README: drop $ on shell lines.
build: include cmake files in automake for distcheck
build: bump for 0.6.2.
Fix LICENSE issue with cmake
build: post release bump.
build: add missing test files to EXTRA_DIST.
build: check for libtoolize in autogen.sh, and remove from tree.
build: get tests running under distcheck
tests: hide command, just use srcdir.
bson: add bson_clear() macro to free and set to zero a doc ptr.

bson_t *doc = bson_new();
bson_clear(&doc);
assert(doc == NULL);
build: bump for 0.6.4.
build: post-release bump
build: add --enable-lto for link time optimizations.
build: build libyajl.la without maintainer cflags.
build: build private libbson.la for static linking.