Added property tree library
Added sandbox project
Removed bool* result parameter from _d versions of get, get_own and get_child
Fixed parsers using (now removed) extra bool parameter to get_d
Added locale support to get functions and ptree_empty function. Updated docs accordingly.
Added new example
Added boost::optional support
Fixed locale names in locale test
Fixed makefile
Updated docs for _o versions
Small fix to docs
Minor fix
Minor fixes
Modified dirs layout
Modified files structure and added fwd delcarations for ptree
Added policy-defined data type
Added index.html to libs dir
Added INFO grammar example
Updated docs and tests
Updated examples and docs