Fix shell type

- Fish shell support
- Add support detect shell type
Merge pull request #193 from denji/shell-detect

Fix shell type
Merge pull request #194 from natronite/master

Added namespace support to scaffolding
stubs for Phalcon 1.3.1
Merge pull request #199 from liesislukas/master

stubs for Phalcon 1.3.1
Phalcon/Image/Adapter PHPStorm showing errors: function must have body or be abstract. Fixed.
Merge pull request #200 from liesislukas/master

Phalcon/Image/Adapter PHPStorm errors: function must have body or be abstract