Merge pull request #111 from loicfrering/master

Definitions for 5.5.0alpha5 and 5.5.0alpha6
Add http abstraction
Find TMP dir based on OS default path

Find TMP dir based on OS default path
Add 5.4.13, 5.3.23
Merge pull request #114 from CHH/feature/5.3.23_5.4.13

Feature/5.3.23 5.4.13
Display usage and exit when no prefix provided
Add 5.5.0beta1
Merge branch 'feature/5.5.0beta1'
Fix extension full path to relative path in apc.ini
Use "php-config" instead of "php" to get extension_dir
Install apache module into user's libexec dir
Merge pull request #117 from hnw/use-php-config-instead-of-php-for-xdebug-ini

Use "php-config" instead of "php" to get extension_dir path
Merge pull request #116 from hnw/fix-apc-ini-for-php52

Fix extension's path to relative one in apc.ini
Merge pull request #118 from hnw/make-apache-module-in-users-dir

Install apache module into user's libexec dir
Merge pull request #113 from slashmili/patch-1

Find TMP dir based on OS default path
Fallback to old temp dir on OSX
Add 5.5.0beta2
Add 5.5.0beta3
Add 5.3.24, 5.4.14
Add 5.5.0beta4