resolving STORE-83.
moving activity html to separate hbs file.
fixing STORE-145
fixing hbs caching issue.
Merge pull request #32 from splinter/master

STORE-96, STORE-103,STORE-112,STORE-113,STORE-127
correction of .pdf extension
resolving jira issues
Merge branch 'master' of github.com:wso2/enterprise-store
remove log. (and STORE-116)
asset type filter added to  my items
Merge branch 'master' of https://github.com/wso2/enterprise-store
implementing STORE-107 : "Redirect to same page after login."
Merge remote-tracking branch 'origin/master'
Merge branch 'master' into social
fixing issues in rest api
Merge branch 'master' of https://github.com/wso2/enterprise-store
session listner wireing
serving ebooks from the storage added
indentation sorted
separate ebook installer.js added