STORM-2145 Camera Presets -- some initial work

doc/contributions.txt

indra/llui/llfloater.cpp

indra/newview/CMakeLists.txt

indra/newview/app_settings/settings.xml

indra/newview/llagentcamera.cpp

indra/newview/llagentcamera.h

indra/newview/llfloatercamera.cpp

indra/newview/llfloatercamera.h

indra/newview/llfloaterdeleteprefpreset.cpp

indra/newview/llfloaterpreference.cpp

indra/newview/llfloaterpreference.h

indra/newview/llpanelpresetscamerapulldown.cpp

indra/newview/llpanelpresetscamerapulldown.h

indra/newview/llpanelpresetspulldown.cpp

indra/newview/llpresetsmanager.cpp

indra/newview/llpresetsmanager.h

indra/newview/llstatusbar.cpp

indra/newview/llstatusbar.h

...view/skins/default/textures/icons/Presets_Icon_Camera.png

...iew/skins/default/textures/icons/Presets_Icon_Graphic.png