Merge branch 'PHP-5.4' of https://git.php.net/repository/php-src into PHP-5.4

# By Adam Harvey
# Via Adam Harvey
* 'PHP-5.4' of https://git.php.net/repository/php-src:
  Fix the broken sh syntax in ext/imap/config.m4.
Merge branch 'PHP-5.4' of https://git.php.net/repository/php-src into PHP-5.4

# By Adam Harvey
# Via Adam Harvey
* 'PHP-5.4' of https://git.php.net/repository/php-src:
  Copy dba_*() keys before converting to string.
Merge branch 'PHP-5.4' of https://git.php.net/repository/php-src into PHP-5.4

# By Derick Rethans (1) and others
# Via Lior Kaplan (1) and Stanley Sufficool (1)
* 'PHP-5.4' of https://git.php.net/repository/php-src:
  Add information about which INI file is which inside respective files
  - Updated to version 2013.6 (2013f)
  FIX BUG #48539 - Disable TEXTLIMIT for FreeTDS driver
5.4.20 release date
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  5.4.20 release date
5.5.4 release date