Merge pull request #184 from zaets28rus/some_fixes_13_2

Some fixes 13 2
Add composer.json and update gitignore
Use autoloading in compiler.php
Rename classes according to PSR-4 style
Fix composer scripts
Fix bootstrap command search
Removed unnecessary requires
Basic keyword arguments implementation
Merge branch 'master' of https://github.com/phalcon/zephir
Update travis config
Update travis config [ci skip]
Camelize classname
Support for keyword arguments in methods
Tried to fix travis fails
Camelize built-in type
Fix method-call mark
Merge pull request #186 from hell0w0rd/add-autoloading

Add autoloading and composer support
Initial support for ide stubs generation