Closes #220: fixa versão de todas as dependencias com base na versão...

Closes #220: fixa versão de todas as dependencias com base na versão contida na imagem da produçao

requirements.txt

-coverage 
-ipython
+backcall==0.1.0
+coverage==4.5.2
+decorator==4.3.2
 Django==1.11.10
-django-widget-tweaks
-django-guardian
-pandas==0.22
-xlrd
-django-extensions
-ujson
-eventlet
-gunicorn
-psycopg2-binary
+django-extensions==2.1.6
+django-guardian==1.5.0
+django-widget-tweaks==1.4.3
+dnspython==1.16.0
+eventlet==0.24.1
+greenlet==0.4.15
+gunicorn==19.9.0
+ipython==7.3.0
+ipython-genutils==0.2.0
+jedi==0.13.3
+monotonic==1.5
+numpy==1.16.2
+pandas==0.22.0
+parso==0.3.4
+pexpect==4.6.0
+pickleshare==0.7.5
+prompt-toolkit==2.0.9
+psycopg2-binary==2.7.7
+ptyprocess==0.6.0
+Pygments==2.3.1
+python-dateutil==2.8.0
+pytz==2018.9
+six==1.12.0
+traitlets==4.3.2
+ujson==1.35
+wcwidth==0.1.7
+xlrd==1.2.0
+