Tasks:-
         Changes in wsrep_dirty_reads variable
         1.) Global + Session scope (Current: session-only)
         2.) Can be set using command line.
         3.) Allow all commands that do not change data (besides SELECT)
         4.) Allow prepared Statements that do not change data
         5.) Works with wsrep_sync_wait enabled

This reverts commit 72fd15f7.

# Conflicts:
#	mysql-test/suite/galera/r/galera_var_dirty_reads.result
#	mysql-test/suite/galera/t/galera_var_dirty_reads.test

      Problem:-
      The condition that checks for node readiness is too strict as it does
      not allow SELECTs even if these selects do not access any tables.
      For example,if we run
           SELECT 1;
      OR
           SELECT @@max_allowed_packet;
      Solution:-
      We need not to report this error when all_tables(lex->query_tables)
      is NULL:

In Galera case this assertion is too strict as conflicting lock
could be same as lock here.

don't let identifiers with new lines to break a comment

pass them through as is

* use proper sql quoting rules for USE, while preserving
  as much of historical behavior as possible
* short commands (\u) behave as before

when they're not needed anymore. Helps when
daemonizing it from mysql.init

              RESTRICTED IN ALL GA RELEASES

Back port of WL#6782 to 5.5 and 5.6. This also includes
back port of Bug#20771331, Bug#20741572 and Bug#20770671.
Bug#24695274 and Bug#24679907 are also handled along with
this.

Also add fallback version string for unknown future versions.

Ensure atomic appends to the error log by using CreateFile with
FILE_APPEND_DATA flag to open error log file (both MTR and server)

fix PLUGIN_VAR_NOSYSVAR | PLUGIN_VAR_NOCMDOPT plugin thdvars to work.
use that for server_audit_loc_info

my_offsetof() returns a difference of two pointers, it must use the
appropriate return type (my_ptrdiff_t, not size_t)

Signed-off-by: Kristian Nielsen <knielsen@knielsen-hq.org>

it was supposed to be used in command-line tools only.
Different fix for 4e547386:

Bug#24388746: PRIVILEGE ESCALATION AND RACE CONDITION USING CREATE TABLE

different fix for a63a250d:

BUG#23509275 :DBUG_PRINT in THD::decide_logging_format prints incorrectly, access out-of-bound

different fix for 07a33cdc:

Bug #23296299 : HANDLE_FATAL_SIGNAL (SIG=11) IN MY_TOSORT_UTF32

80% reverted

Correct context chain made to allow outer fields pullout.

Post push fix: Solaris 10 /bin/sh don't understand $().

[This is the 5.5/5.6 version of the bugfix].

The problem was that it was possible to write log files ending
in .ini/.cnf that later could be parsed as an options file.
This made it possible for users to specify startup options
without the permissions to do so.

This patch fixes the problem by disallowing general query log
and slow query log to be written to files ending in .ini and .cnf.

During REPAIR TABLE of a MyISAM table, a temporary data file (.TMD)
is created. When repair finishes, this file is renamed to the original
.MYD file. The problem was that during this rename, we copied the
stats from the old file to the new file with chmod/chown. If a user
managed to replace the temporary file before chmod/chown was executed,
it was possible to get an arbitrary file with the privileges of the
mysql user.

This patch fixes the problem by not copying stats from the old
file to the new file. This is not needed as the new file was
created with the correct stats. This fix only changes server
behavior - external utilities such as myisamchk still does
chmod/chown.

No test case provided since the problem involves synchronization
with file system operations.

Argument to malloc-lib must be included in restricted list of
directories, symlink guards added, and mysqld and mysqld-version
options restricted to command line only. Don't redirect errors to
stderr.

The issue was that in some extreme cases when doing GROUP BY,
buffers for temporary blobs where not properly cleared.

Windows packaging : use /d switch to sign MSI, to prevent installer showing randomly generated name in UAC prompt