Applies the following alchemy patches:
28fe46209ea5: Don't spam setPaused in fmod studio audio stream code
eb12ff41434a: Fix single click to walk triggering on huds
31955a7826b9: Fix double click to walk being triggered by huds and touchable objects
Fix double click to walk triggering while sitting and flying
Fix double click to walk behavior being inconsistent with single click to walk
Fix double click teleport being affected by transparent objects
Properly fixes MAINT-957
Compile stuff updates:
Adds VCRedist to package, should fix failure to launch reported by Nomade Zhao.
Updates package_description to better suit Singularity
Turns secondlife-bin in places to singularity-bin
Updates the following libraries:
Curl (7.47.0), gperftools (0.0.2), openssl (1.0.2f), SLVoice on Linux64,
Fixed crash if fmod profiling was enabled.
Fixed crash due to failing to check if resulting utf string from stream metadata was zero-length before calling std::string::back.
