check-out a new version of project: refs  #617
check-out a new version of project: refs  #617, After merge and conflicts resolution
check-out a new version of project, Managing project version on the project list: refs  #617 #618
 Managing project version on the project list: refs  #618
 Managing project version on the project list: refs  #618
 Managing project version on the project list: refs  #618
 Managing project version on the project list: refs  #618, after merge