Whoosh 2.5.0 and simplejson is required for the installation
Merge pull request #14 from harishnavnit/requirements

Requirements
Revert "Merge pull request #14 from harishnavnit/requirements"

This reverts commit 5b6d97e2e030c50634cfc927bf2fe1bf5a087284, reversing
changes made to e940d56238c2a91a0b1be9950883b91dbc178a38.
Merge pull request #15 from WiseEarthTechnology/revert_pull_request_1

Revert "Merge pull request #14 from harishnavnit/requirements"
Removed LICENCE.txt header from *.py source files
Merge pull request #18 from WiseEarthTechnology/issue3

Removed LICENCE.txt header from *.py source files
Issue #20 - Higher whoosh version required to create database
Fix issue with simplejson module name

python 2.6+ requires the module name to be json instead of simplejson
Fix for issue #22