Update index.rst
Update index.rst

minor formatting/punctuation changes
ioanpocol/superdesk-core,superdesk/superdesk-core,petrjasek/superdesk-core,superdesk/superdesk-core,mdhaman/superdesk-core,mugurrus/superdesk-core,mdhaman/superdesk-core,ioanpocol/superdesk-core,petrjasek/superdesk-core,mdhaman/superdesk-core,mugurrus/superdesk-core,mugurrus/superdesk-core,superdesk/superdesk-core,ioanpocol/superdesk-core,petrjasek/superdesk-core,petrjasek/superdesk-core,superdesk/superdesk-core