Added DISABLED flag to macro add_unit_test
Added PosixTimer
Added performance test for indexing
Added const to Index::query()
Added param maxNumComparisons to Index::query()
Refactoring perf
Added perf_index_query
Refactoring perf
Refactoring query index
Added perf_index_query_neighbors
Added perf_query_index_ann
Refactoring perf
FIXME static vs inline
Added support for setting/getting numTrees in KDTree and Index
Added perf_index_build_numtrees
Added perf_index_query_numtrees
Using by default 4 trees in perf_index_query_ann
Renamed class IndexTimings to Timings
Added perf_descriptors
Using reference in serialization