Bump minimum PHP version requirement to 5.3.10.

I can no longer provide adequate test coverage that anything works
with PHP versions below 5.3.10, so even though phpBB 3.1 only
requires 5.3.3, I'm still going to require 5.3.10 in the extension.

Author: tierra

.travis.yml

@@ -3,7 +3,7 @@ sudo: required
 
 matrix:
   include:
-    - php: 5.3.3
+    - php: 5.3.10
       env: DB=mysqli
     - php: 5.3
       env: DB=mysqli # MyISAM
@@ -49,7 +49,7 @@ script:
   - sh -c "if [ '$SNIFF' != '0' ]; then travis/ext-sniff.sh $DB $TRAVIS_PHP_VERSION $EXTNAME; fi"
   - sh -c "if [ '$IMAGE_ICC' != '0' ]; then travis/check-image-icc-profiles.sh $DB $TRAVIS_PHP_VERSION; fi"
   - sh -c "if [ '$TRAVIS_PHP_VERSION' = '5.4' ] && [ '$DB' = 'mysqli' ]; then phpBB/vendor/bin/phpunit --configuration phpBB/ext/$EXTNAME/phpunit.xml.dist && php phpBB/ext/$EXTNAME/travis/check-coverage.php; else phpBB/vendor/bin/phpunit --configuration phpBB/ext/$EXTNAME/travis/phpunit-$DB-travis.xml --bootstrap ./tests/bootstrap.php; fi"
-  - sh -c "if [ '$EPV' != '0' ] && [ '$TRAVIS_PHP_VERSION' = '5.3.3' ] && [ '$DB' = 'mysqli' ]; then phpBB/ext/$EXTNAME/vendor/bin/EPV.php run --dir='phpBB/ext/$EXTNAME/'; fi"
+  - sh -c "if [ '$EPV' != '0' ] && [ '$TRAVIS_PHP_VERSION' = '5.3.10' ] && [ '$DB' = 'mysqli' ]; then phpBB/ext/$EXTNAME/vendor/bin/EPV.php run --dir='phpBB/ext/$EXTNAME/'; fi"
 
 after_script:
   - sh -c "if [ '$TRAVIS_PHP_VERSION' = '5.4' ] && [ '$DB' = 'mysqli' ] && [ '$TRAVIS_BRANCH' = 'master' ] && [ '$TRAVIS_PULL_REQUEST' = 'false' ]; then cd phpBB/ext/$EXTNAME && vendor/bin/test-reporter --coverage-report clover.xml; fi"

composer.json

@@ -18,11 +18,11 @@
 	],
 	"config": {
 		"platform": {
-			"php": "5.3.3"
+			"php": "5.3.10"
 		}
 	},
 	"require": {
-		"php": ">=5.3.3",
+		"php": ">=5.3.10",
 		"composer/installers": "~1.0"
 	},
 	"require-dev": {