Updated WEEK() and DATE information in the manual.


Docs/manual.texi:
  Updated WEEK() information.
  Added more information of how MySQL stores dates.
libmysql/Makefile.am:
  Fix after merge
libmysqld/lib_vio.c:
  Use new vio_blocking()
mysql-test/r/group_by.result:
  Update results after merge
sql/ha_innodb.cc:
  Fix after merge
sql/lex.h:
  Fix after merge
sql/slave.cc:
  Added missing include file
sql/sql_base.cc:
  Added function comments
vio/test-ssl.c:
  Fix after merge