Gulp: don't delete Libraies, only it's content.
Gulp: don't delete Libraies, only it's content.

hach-que/JSIL,FUSEEProjectTeam/JSIL,iskiselev/JSIL,hach-que/JSIL,volkd/JSIL,iskiselev/JSIL,acourtney2015/JSIL,sq/JSIL,sq/JSIL,sander-git/JSIL,hach-que/JSIL,iskiselev/JSIL,volkd/JSIL,FUSEEProjectTeam/JSIL,acourtney2015/JSIL,volkd/JSIL,iskiselev/JSIL,acourtney2015/JSIL,sander-git/JSIL,FUSEEProjectTeam/JSIL,volkd/JSIL,acourtney2015/JSIL,sander-git/JSIL,hach-que/JSIL,sander-git/JSIL,volkd/JSIL,FUSEEProjectTeam/JSIL,hach-que/JSIL,iskiselev/JSIL,FUSEEProjectTeam/JSIL,sq/JSIL,sq/JSIL,sq/JSIL,sander-git/JSIL,acourtney2015/JSIL