UI fixes

[UO283428]

(Done by @UO283069) Add a back button that was already created and it got lost for the group info page.
(Done by @UO283069) Add a text letting the user know that has added a comment or a review.
(Done by @UO283428)Remove the MyPlaces tab.
(Done by @UO283428)Edit the public map tab so only shows the public places.
(Done by @UO283428)Edit the home map so doesn't show the public map.
(Done by @UO283428 and @Davidmc07)Make the places added to the public map public in Mongo.
(Done by @UO283428) Add a way to create a map.
(Done by @UO283069) Add the table on map's places that got lost.
(Done by @UO283069)When MyStuff has no content, an image or a message.
(Done by @UO283069) When subbmiting a comment tell the user it might take a little bit of time to appear on the reviews.
(Done by @UO283069 and @UO283428 )On the place information, when the friend has no name show its webID.