Add Clang and memory sanitizer support

[bb111189]

Description

Add support for Clang (7.0.1) and memory sanitizer (with origin tracking level 2)

Other fixes:

• Typos in log file. requried -> required

Review Suggestion

Status

Implementation

• ready for review

Integration Test (Core Team)

• local machine test (gcc/g++)
• local machine test (clang)
• local machine test (gcc/g++) - Cuda
• local machine test (clang) - Cuda

• small-scale cloud test

[codecov-io]

Codecov Report

Merging #1473 into master will decrease coverage by 0.49%.
The diff coverage is 60%.

@@            Coverage Diff            @@
##           master    #1473     +/-   ##
=========================================
- Coverage   30.73%   30.24%   -0.5%     
=========================================
  Files         256      249      -7     
  Lines       29954    29653    -301     
=========================================
- Hits         9207     8969    -238     
+ Misses      20747    20684     -63

Impacted Files	Coverage Δ
src/libNode/ViewChangeBlockProcessing.cpp	0% <0%> (ø)	⬆️
src/libCrypto/PrivKey.cpp	59.25% <100%> (ø)	⬆️
src/libCrypto/Schnorr.cpp	72.19% <100%> (ø)	⬆️
src/libCrypto/MultiSig.cpp	64.05% <100%> (ø)	⬆️
src/libData/BlockChainData/BlockLinkChain.h	0% <0%> (-100%)	⬇️
src/libData/BlockChainData/BlockChain.h	0% <0%> (-92.31%)	⬇️
src/libData/BlockChainData/BlockLinkChain.cpp	0% <0%> (-85.46%)	⬇️
src/libData/DataStructures/CircularArray.h	96.77% <0%> (-3.23%)	⬇️
src/libPersistence/BlockStorage.cpp	31.68% <0%> (-2.39%)	⬇️
src/libMessage/Messenger.cpp	29.41% <0%> (-0.67%)	⬇️
... and 20 more

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[bb111189]

obselete PR