add IvanTcholakov router and loader
Big leap in history, using newest CodeIgniter 3.0 I guess...
fix some error related to redirection
Solving the issue #82 - CI 2.x old class/file naming convention implementation.
fix blog duplicate url & add dropdown height
Merge pull request #83 from ivantcholakov/development

Solving the issue #82 - CI 2.x old class/file naming convention.
fix db result for sqlite (with minimal impact to the CodeIgniter source code)
fix "config"
installer check for privilege before create the database, refine CI 3.0 migration