CHUI-91 FIXED Moved block list to a separate People floater tab.

indra/newview/llchathistory.cpp

indra/newview/llfloaterpreference.cpp

indra/newview/llfloatersidepanelcontainer.cpp

indra/newview/llpanelblockedlist.cpp

indra/newview/llpanelblockedlist.h

indra/newview/llpanelpeople.cpp

indra/newview/skins/default/xui/en/floater_people.xml

...newview/skins/default/xui/en/menu_people_friends_view.xml

.../newview/skins/default/xui/en/menu_people_nearby_view.xml

.../newview/skins/default/xui/en/menu_people_recent_view.xml

...ewview/skins/default/xui/en/panel_block_list_sidetray.xml

indra/newview/skins/default/xui/en/panel_people.xml