User likes and offer rating

* Added user (dis)likes on user-partial
* Note that user rating value in db always should be 1 or -1
* Users now are not able set (dis)likes to themselves
* Anonymous users now are not able set (dis)likes
* Users now are not able set rating to their own offers
* Anonymous users now are not able to set rating
Merge remote-tracking branch 'origin/master'

Conflicts:
	OnlineShopTime/OnlineShopTime/Resources/Home.resx
	OnlineShopTime/OnlineShopTime/Resources/Home.ru.resx