added codeigniter snippets
rename ci.snippets to codeigniter.snippets
rename snippets key for to give more information about snippet
Merge pull request #477 from rtorralba/master

added codeigniter snippets
Actionscript: remove duplicate warning for  statement
Merge branch 'master' of https://github.com/honza/vim-snippets
Merge pull request #478 from FelikZ/master

Actionscript: remove duplicate warning for statement
improved some snippets
renamed ci_model_complet to ci_model_crudl and improved
Merge pull request #479 from rtorralba/master

Improved codeigniter.snippets (first ci php line and ci_model_crudl snippet)