Translate 10-01-01 and 10-02-01

Translate 10-01-01-Security.md and 10-02-01-Web-Application-Security.md
Translate 10-03-01-Password-Hashing.md
Translate 10-04-01-Data-Filtering.md

Translate 10-04-01-Data-Filtering.md
Translate 10-05-01-Configuration-Files.md
Merge pull request #11 from thebrecht/develop

translate welcome section of site navigation & fix broken links
Translate 10-06-01-Register-Globals.md
Translate 10-07-01-Error-Reporting.md
fix 10-04-01-Data-Filtering.md
Merge pull request #12 from jigsawye/gh-pages

Translate 10-01-01 to 10-07-01
setting site navigation for chinese title & fix credit link