Adjust node struct field ordering (for memory alignment)
The build process also requires pkg-config

At least on ubuntu.
Merge pull request #14 from thedrow/patch-1

The build process also requires pkg-config
r3_tree_insert_path API changes
Add CHANGELOGS
Fix r3_tree_match_route
Add r3_ prefix to route struct related functions
update changelogs
Fix markdown
fix changelogs
Add endpoint check
show people how to release the tree