Merge pull request IntelRealSense#2669 from ev-mp/imu_pnp_debug

Fix D435i Frequences selection and idle power consumption

Redirect connectivity check to http for consistency

Change-Id: Iafb5aa81a89639478105a7e8bf17c7f2e9413d39

Merge pull request IntelRealSense#2603 from matkatz/fix_matlab_compil…

…ation

Resolve matlab compilation

Merge pull request IntelRealSense#2442 from AnnaRomanov/external_libusb

External libusb

Update rs2_type_traits.h

Merge pull request IntelRealSense#2220 from ev-mp/current

Fix stream request for DQT

Merge pull request IntelRealSense#2146 from ev-mp/current

Document debians for bionic installation

Merge pull request IntelRealSense#2070 from matkatz1/development

fix lazy initialization of tagged profiles

Update installation guides with CMake 3.8 requirement

Change-Id: I4d77a913d13c9840c4471371ed37fb402710d6c1

Merge pull request IntelRealSense#1825 from ev-mp/current

Rectify decimation filter/many-to-many operation mode