setting plausible default value for struct members

especially for unsigned members so they don't casted to max unsigned
Removed files that are neccessary only for standalone pecl branch
Merge branch 'PHP-5.5'

* PHP-5.5:
  Removed files that are neccessary only for standalone pecl branch
  setting plausible default value for struct members
Enabled O+ build by default (it may be disabled before 5.0.0 release)
Merge branch 'PHP-5.5'

* PHP-5.5:
  Enabled O+ build by default (it may be disabled before 5.0.0 release)
Added ability to load zend_extensions without absolute path names
Merge branch 'PHP-5.5'

* PHP-5.5:
  Added ability to load zend_extensions without absolute path names
Made opcache_get_status() return statistics during O+ restart
Merge branch 'PHP-5.5'

* PHP-5.5:
  Made opcache_get_status() return statistics during O+ restart
Load "black list" only if O+ is enabled
Merge branch 'PHP-5.5'

* PHP-5.5:
  Load "black list" only if O+ is enabled
Fix bug #61981
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Fix bug #61981
Merge branch 'PHP-5.5'

* PHP-5.5:
  Fix bug #61981
Fixed bug #61981
more test coverage: missing square bracket error message
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  more test coverage: missing square bracket error message
  Fixed bug #61981
merge with 5.4
Merge branch 'PHP-5.5'

* PHP-5.5:
  merge with 5.4
  more test coverage: missing square bracket error message
  Fixed bug #61981