Embedded Server doesn't build on Windows.

- Add build configuration parameter EMBEDDED_ONLY which will configure 
the VS solution to produce only mysql embedded binary.
- Make necessary updates to successfully compile solution.


CMakeLists.txt:
  Embedded Server doesn't build on Windows.
  - Remove leading space from various definitions.
  - Remove optimizations from RelWithDebInfo configuration for debugging.
  - Conditionally add the necessary build directories based on 
  EMBEDDED_ONLY flag.
BitKeeper/etc/ignore:
  Embedded Server doesn't build on Windows.
  - Ignore CMake's default configuration output directories.
  - Ignore autogenerated cmake_dummy.c file.
libmysql/client_settings.h:
  Embedded Server doesn't build on Windows.
  - Build fixup
libmysqld/CMakeLists.txt:
  Embedded Server doesn't build on Windows.
  - Update for recent changes.
libmysqld/libmysqld.def:
  Embedded Server doesn't build on Windows.
  - Export necessary methods.
libmysqld/examples/CMakeLists.txt:
  Embedded Server doesn't build on Windows.
  - Updated include directories.
  - test_libmysqld fixup.
  - Added mysqltest_embedded and mysql_client_test_embedded exes needed for
  testing.
sql/mysqld.cc:
  Embedded Server doesn't build on Windows.
  - Build fixup.
sql/sql_binlog.cc:
  Embedded Server doesn't build on Windows.
  - Build fixup.
sql-common/client.c:
  Embedded Server doesn't build on Windows.
  - Build fixup.
storage/federated/CMakeLists.txt:
  Embedded Server doesn't build on Windows.
  - Define USE_TLS for embedded only builds.
storage/heap/CMakeLists.txt:
  Embedded Server doesn't build on Windows.
  - Define USE_TLS for embedded only builds.
storage/innobase/CMakeLists.txt:
  Embedded Server doesn't build on Windows.
  - Define USE_TLS for embedded only builds.
storage/myisam/CMakeLists.txt:
  Embedded Server doesn't build on Windows.
  - Define USE_TLS for embedded only builds.
storage/myisam/ha_myisam.cc:
  Embedded Server doesn't build on Windows.
  - Define USE_TLS for embedded only builds.
storage/myisammrg/CMakeLists.txt:
  Embedded Server doesn't build on Windows.
  - Define USE_TLS for embedded only builds.
win/configure.js:
  Embedded Server doesn't build on Windows.
  - Add EMBEDDED_ONLY build configuration.

.bzrignore

@@ -39,6 +39,8 @@
 */.pure
 */debug/*
 */release/*
+*/relwithdebinfo/*
+*/minsizerel/*
 *~
 .*.swp
 ./CMakeCache.txt
@@ -1020,6 +1022,7 @@ libmysqld/backup_dir
 libmysqld/client.c
 libmysqld/client_settings.h
 libmysqld/convert.cc
+libmysqld/cmake_dummy.c
 libmysqld/derror.cc
 libmysqld/discover.cc
 libmysqld/emb_qcache.cpp