added ability to go back to selecting studies page
added ability to go back to selecting studies page

wasade/qiita,wasade/qiita,RNAer/qiita,RNAer/qiita,josenavas/QiiTa,squirrelo/qiita,antgonza/qiita,antgonza/qiita,josenavas/QiiTa,josenavas/QiiTa,adamrp/qiita,adamrp/qiita,squirrelo/qiita,squirrelo/qiita,ElDeveloper/qiita,biocore/qiita,ElDeveloper/qiita,biocore/qiita,RNAer/qiita,biocore/qiita,adamrp/qiita,ElDeveloper/qiita,adamrp/qiita,antgonza/qiita,wasade/qiita,squirrelo/qiita,ElDeveloper/qiita,antgonza/qiita,josenavas/QiiTa,RNAer/qiita,biocore/qiita