implement stat_cache_walk; some minor cleanup
getting rid of references to trailing slashes
fix root directory slash issue; better timing to evaluate different implementations
using path_parent in statcache_prune
Initial final commit for removing trailing slashes
remove commented out lines
remove commented out line
formatting
Merge pull request #94 from pantheon-systems/walk-statcache-pathparent

Includes statcache_walk; fixes issues with checking for trailing slashes and representation of root directory; fixes bug in statcache prune
Fix bool usage.
continue on bad key, rather than break
Merge pull request #97 from pantheon-systems/walk-statcache-pathparent

continue on bad key, rather than break
track issues better in statcache prune
Merge pull request #98 from pantheon-systems/walk-statcache-pathparent

track issues better in statcache prune
fix issue with not updating iter on call to continue
Merge pull request #99 from pantheon-systems/walk-statcache-pathparent

fix issue with not updating iter on call to continue
detect root directory in path2key
Merge branch 'walk-statcache-pathparent' of github.com:pantheon-systems/fusedav into walk-statcache-pathparent
Merge pull request #100 from pantheon-systems/walk-statcache-pathparent

detect root directory in path2key
still fixing path2key