- Implemented class LLPanelTopInfoBar (llpaneltopinfobar.h, llpaneltopinfobar.cpp, panel_topinfo_bar.xml). Most of it's implementation is borrowed from LLLocationInputCtrl class.
- Mini-Location panel is turned off by default.
- Added top bar context menu option \"Show Mini-Location Panel\".
- Mini-Location panel displays the same context menu as top bar.
- Added code to initialize LLPanelTopInfoBar in llviewerwindow.cpp.
- Added declaration of the widget in main_view.xml

Reviewed by Mike Antipov at https://codereview.productengine.com/secondlife/r/464/

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branch : product-engine