Adding default values of twitter url, authorize url, access token url
and request token url in Twitter managed bean.
Merge branch 'master' into HmacEncryptionandCheckStatus
Merge branch 'master' into HmacEncryptionandCheckStatus
Merge branch 'master' into HmacEncryptionandCheckStatus
Merge pull request #77 from VimalDhupar/HmacEncryptionandCheckStatus

Adding default values of twitter url, authorize url, access token url