Merge pull request #152 from anilsaldhana/master

see comments
[PLINK-201] - Update test suite for QE environment.
Merge pull request #153 from pedroigor/master

[PLINK-201] - Update test suite for QE environment.
[PLINK-201] - Update test suite for QE environment.
Merge pull request #154 from pedroigor/master

[PLINK-201] - Update test suite for QE environment.
[PLINK-201] - Update test suite for QE environment.
Merge pull request #155 from pedroigor/master

[PLINK-201] - Update test suite for QE environment.
Merge pull request #156 from anilsaldhana/master

see comments
update twitter4j library
ensure the json object has the fields