Fixed tools tests
Updated valgrind suppressions
ham_bench can now bulk-erase all keys at the end
Copyright is now 2014
Removed cache; it's now part of the PageManager
Removing HAM_CACHE_FULL and HAM_CACHE_STRICT, reorganizing cache and freelist
A few performance improvements in the PageManager
Removed HAM_PARAM_MAX_DATABASES
Fixed some bugs and regressions
Allow re-creating closed databases in an in-memory environment
Fixed more bugs and regressions
Release 2.1.5
Fixing another regression