Merge pull request #44 from splinter/master

Part 1: Fix for images disappearing in tenant mode
Merge pull request #45 from splinter/fix-tenant-images-not-loading-missing-assets-2

STORE-235 & STORE 141
adding script for addinbg books for testing
adding createdtime conversion
disable createdtime update of a default asset
fixing asset manager overriding issue
Merge branch 'master' of https://github.com/wso2/enterprise-store
resolving STORE-210: downgrading flot version to 0.7 to support vertical labels and removing unused flot lib files
Merge branch 'master' of github.com:wso2/enterprise-store
adding Store advance search
resolving site URL issue
Merge remote-tracking branch 'upstream/master'

Merging remote changes