[doc]: add a short note to the squeezed documentation to describe the purpose: i.e. (i) dynamically adjust VM memory without rebooting; and (ii) "squeezing" a few more VMs onto a host when another host fails.
[doc]: add a short note to the squeezed documentation to describe the purpose: i.e. (i) dynamically adjust VM memory without rebooting; and (ii) "squeezing" a few more VMs onto a host when another host fails.

Signed-off-by: David Scott <63c9eb0ea83039690fefa11afe17873ba8278a56@eu.citrix.com>

djs55/xen-api,salvocambria/xen-api,simonjbeaumont/xen-api,simonjbeaumont/xen-api,anoobs/xen-api,salvocambria/xen-api,salvocambria/xen-api,cheng--zhang/xen-api,srowe/xen-api,vasilenkomike/xen-api,huizh/xen-api,ravippandey/xen-api,rafalmiel/xen-api,agimofcarmen/xen-api,simonjbeaumont/xen-api,srowe/xen-api,guard163/xen-api,ravippandey/xen-api,agimofcarmen/xen-api,thomassa/xen-api,djs55/xen-api,vasilenkomike/xen-api,euanh/xen-api,Frezzle/xen-api,koushikcgit/xen-api,Frezzle/xen-api,thomassa/xen-api,robertbreker/xen-api,robertbreker/xen-api,ravippandey/xen-api,cheng--zhang/xen-api,agimofcarmen/xen-api,anoobs/xen-api,cheng--zhang/xen-api,salvocambria/xen-api,srowe/xen-api,jjd27/xen-api,salvocambria/xen-api,jjd27/xen-api,anoobs/xen-api,huizh/xen-api,koushikcgit/xen-api,huizh/xen-api,Frezzle/xen-api,vasilenkomike/xen-api,euanh/xen-api,cheng-z/xen-api,Frezzle/xen-api,cheng-z/xen-api,jjd27/xen-api,Frezzle/xen-api,ravippandey/xen-api,srowe/xen-api,cheng--zhang/xen-api,robertbreker/xen-api,cheng--zhang/xen-api,simonjbeaumont/xen-api,djs55/xen-api,rafalmiel/xen-api,cheng-z/xen-api,guard163/xen-api,guard163/xen-api,koushikcgit/xen-api,ravippandey/xen-api,djs55/xen-api,robertbreker/xen-api,simonjbeaumont/xen-api,guard163/xen-api,vasilenkomike/xen-api,koushikcgit/xen-api,rafalmiel/xen-api,koushikcgit/xen-api,agimofcarmen/xen-api,jjd27/xen-api,thomassa/xen-api,rafalmiel/xen-api,agimofcarmen/xen-api,thomassa/xen-api,cheng--zhang/xen-api,cheng-z/xen-api,rafalmiel/xen-api,huizh/xen-api,ravippandey/xen-api,vasilenkomike/xen-api,anoobs/xen-api,thomassa/xen-api,agimofcarmen/xen-api,thomassa/xen-api,euanh/xen-api,salvocambria/xen-api,cheng-z/xen-api,euanh/xen-api,djs55/xen-api,vasilenkomike/xen-api,cheng-z/xen-api,huizh/xen-api,anoobs/xen-api,koushikcgit/xen-api,huizh/xen-api,guard163/xen-api,srowe/xen-api,jjd27/xen-api,rafalmiel/xen-api,simonjbeaumont/xen-api,euanh/xen-api,guard163/xen-api,cheng-z/xen-api,djs55/xen-api,cheng--zhang/xen-api,anoobs/xen-api,jjd27/xen-api,robertbreker/xen-api,euanh/xen-api,robertbreker/xen-api