Update CHANGELOG.md
Update CHANGELOG.md

Minor changes and correcting typos
dotcominternet/platform,tbolon/platform,rahulltkr/platform,lawrenae/mattermost,42wim/platform,dimitertodorov/platform,cadecairos/mattermoz,ninja-/platform,ttyniwa/platform,kernicPanel/platform,rompic/platform,daizenberg/platform,ZBoxApp/platform,florianorben/platform,tbolon/platform,ZBoxApp/platform,daizenberg/platform,dotcominternet/platform,dotcominternet/platform,samogot/platform,ZBoxApp/platform,kernicPanel/platform,dimitertodorov/platform,cyanlime/platform,npcode/platform,mozilla/mattermoz,ttyniwa/platform,trashcan/platform,trashcan/platform,trashcan/platform,raghavenc5/TabGen,ZBoxApp/platform,samogot/platform,asaadmahmoodspin/platform,florianorben/platform,florianorben/platform,rahulltkr/platform,dimitertodorov/platform,fosstp/platform,lawrenae/mattermost,rgarmsen2295/platform,ninja-/platform,cadecairos/mattermoz,tbolon/platform,kernicPanel/platform,raghavenc5/TabGen,rgarmsen2295/platform,trashcan/platform,ninja-/platform,rgarmsen2295/platform,florianorben/platform,rompic/platform,andela/mattermost-platform,fosstp/platform,npcode/platform,rompic/platform,bkeroack/platform,mozilla/mattermoz,ttyniwa/platform,cyanlime/platform,samogot/platform,tbalthazar/platform,fosstp/platform,raghavenc5/TabGen,lawrenae/mattermost,cyanlime/platform,bkeroack/platform,mozilla/mattermoz,trashcan/platform,andela/mattermost-platform,kernicPanel/platform,raghavenc5/TabGen,npcode/platform,tbalthazar/platform,rahulltkr/platform,42wim/platform,numericube/platform,lawrenae/mattermost,andela/mattermost-platform,npcode/platform,asaadmahmoodspin/platform,kernicPanel/platform,numericube/platform,ZBoxApp/platform,tbalthazar/platform,rahulltkr/platform,ninja-/platform,cadecairos/mattermoz,cadecairos/mattermoz,npcode/platform,42wim/platform,lawrenae/mattermost,ttyniwa/platform,mozilla/mattermoz,numericube/platform,cyanlime/platform,asaadmahmoodspin/platform,tbolon/platform,dotcominternet/platform,fosstp/platform,mozilla/mattermoz,andela/mattermost-platform,ninja-/platform,cadecairos/mattermoz,ttyniwa/platform,bkeroack/platform,raghavenc5/TabGen,florianorben/platform,rgarmsen2295/platform,rgarmsen2295/platform,bkeroack/platform,tbolon/platform,bkeroack/platform,daizenberg/platform,andela/mattermost-platform