Merge pull request #8 from brmorris/master

Use mkdir -p when creating the build dir

README - upd

Remove unneeded PHP 5.6 ppa

Start using Ubuntu 15.04

Fetch latest master when install Phalcon

Enable phalcon.so by php5enmod

Remove unneeded php5 relation

[Pre-installed-projects] Composer install with -o

Update README.md

Upd README.md

Use provider name from configuration

Configuration added new parameter - provider

Update README.md

Added PgSQL base install script