fixed kv_heap cursor seek for good, apparently std::upper_bound doesn't
work exactly as I thought
Merge remote-tracking branch 'refs/remotes/esmet/kv_dictionary' into kv_dictionary
SERVER-15319 Fix stats.js for new pdfile version
Simplify _ok bit management in thet kv heap dictionary cursor, implement
temp_cappedTruncanteAfter using a forward iterator since that avoids an
issue WRT reverse iterators and deletes when using thet kv_heap engine (
no resolution on that issue yet )
SERVER-13635: pass namespace to createRecordStore for kv
Merge branch 'master' of https://github.com/mongodb/mongo into kv_dictionary