for 5485:
 - remove icc handling stuff from cmake
 - clean up remaining cmake files
 - create libtokudb_static.a in a cleaner way using cmake OBJECT libs (requires cmake 2.8.9)
 - use POSITION_INDEPENDENT_CODE property instead of manually setting -fPIC
for 5368:
 - fix compilation failures due to small differences between gcc and clang, mostly in tests
 - use toku_fileids_are_equal instead of memcmp to compare fileids (closes #5505)
 - create dummy implementation of partitioned_counter for osx (quick fix for, and closes #5506)
 - add mutex->valid bit under TOKU_PTHREAD_DEBUG
 - initialize mutex of DB_TXN created during recovery for 2PC (closes #5507)


git-svn-id: file:///svn/toku/tokudb@48024 c7de825b-a66e-492c-adef-691d508d4ae1