Committing the modified requirements.txt file.

requirements.txt

@@ -50,6 +50,8 @@ defusedxml==0.6.0
 distributed==2.5.2
 Django==2.2.11
 django-bootstrap4==1.1.1
+django-braces==1.14.0
+django-cors-headers==3.5.0
 djangorestframework==3.11.0
 djongo==1.3.1
 dlib==19.19.0
@@ -183,6 +185,7 @@ pytest-astropy==0.5.0
 pytest-doctestplus==0.4.0
 pytest-openfiles==0.4.0
 pytest-remotedata==0.3.2
+python-crontab==2.5.1
 python-dateutil==2.8.0
 pytz==2019.3
 PyWavelets==1.0.3