Fixed so the block fake caret handles margins and that it checks for real blocks.
Fixed so the block fake caret handles margins and that it checks for real blocks.

nbcp/tinymce,blakewallan/tinymce,sjbufton/tinymce,1099511627776/tinymce,rbecheras/tinymce,jashua212/tinymce,blakewallan/tinymce,FernCreek/tinymce,adaptiffdesigns/tinymce,jtark/tinymce,danielpunkass/tinymce,leofeyer/tinymce,tinymce/tinymce,FernCreek/tinymce,ikuchmin/tinymce,1099511627776/tinymce,MediehusetTek/tinymce,henrythewasp/tinymce,leofeyer/tinymce,rednose-public/tinymce,fillabs/TinySpecMCE,aduth/tinymce,sjbufton/tinymce,gencer/tinymce,rbecheras/tinymce,jashua212/tinymce,gencer/tinymce,jtark/tinymce,MediehusetTek/tinymce,tinymce/tinymce,rednose-public/tinymce,ETSI-CTI/TinySpecMCE,adaptiffdesigns/tinymce,ikuchmin/tinymce,nbcp/tinymce,FernCreek/tinymce,henrythewasp/tinymce,aduth/tinymce,fillabs/TinySpecMCE,TeamupCom/tinymce,ETSI-CTI/TinySpecMCE,TeamupCom/tinymce,tinymce/tinymce,danielpunkass/tinymce,danielpunkass/tinymce