Revert "BB + CB"

This reverts commit 903e4803532173d6af7c94b299795b4b21dd98c0.
Validator, Forum""
sync
Merge branch 'databasFilter' of https://github.com/DanielAndersson92/BookShop into databasFilter

Conflicts:
	BookExchange_Skel/src/main/webapp/jsf/Secured/addBook.xhtml
merge
MyPage med användarens böcker
AddBook fungerar
Conversational
oj oj
Email- och cidvalidator
Merge branch 'databasFilter' of https://github.com/DanielAndersson92/BookShop into databasFilter
Merge remote-tracking branch 'origin/databasFilter' into pm

Conflicts:
	BookExchange_Skel/src/main/java/group20/jsf/bb/AddBookBB.java
	BookExchange_Skel/src/main/java/group20/jsf/bb/MyPageBB.java
	BookExchange_Skel/src/main/java/group20/jsf/cb/LoginBean.java
	BookExchange_Skel/src/main/java/group20/jsf/cb/MyPageCB.java
	BookExchange_Skel/src/main/java/group20/jsf/mb/ExchangeBean.java
	jpa_bookexchange/src/main/java/group20/bookexchange/core/BookExchange.java
	jpa_bookexchange/src/main/java/group20/bookexchange/core/IBookExchange.java
PMgrejs