added Flickr floater for ACME-1136, ACME-1137, ACME-1138, ACME-1140, and ACME-1141

indra/newview/CMakeLists.txt

indra/newview/llfacebookconnect.cpp

indra/newview/llflickrconnect.cpp

indra/newview/llfloaterflickr.cpp

indra/newview/llfloaterflickr.h

indra/newview/llfloatersnapshot.cpp

indra/newview/llfloaterwebcontent.cpp

indra/newview/llsnapshotlivepreview.cpp

indra/newview/lltwitterconnect.cpp

indra/newview/llviewerfloaterreg.cpp

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

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

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

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

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