Docs: Subgraph Isomorphism (oneapi-src#2000) (oneapi-src#2008)

Added documentation on subgraph isomorphism algorithm.

Update docs markup (oneapi-src#1813) (oneapi-src#1897)

Required changes in CMake files (oneapi-src#1731)

[rls] Additional Flags for Linker in CMake (oneapi-src#1495)

* Additional flags for linker in CMake

* fix

* fix

[DOC] Updated readme and contributing files (bp oneapi-src#1284) (one…

…api-src#1294)

* [DOC] Updated readme and contributing files (oneapi-src#1284)

* Updated readme and contributing files

(cherry picked from commit 6a64398)

# Conflicts:
#	README.md

* Update README.md

Fix merge conflicts in README

* Added pics for README

Co-authored-by: Ekaterina Mekhnetsova <[email protected]>
Co-authored-by: Ekaterina Mekhnetsova <[email protected]>

[2020-u3-rls] Fix class voting for kNN (oneapi-src#962)

* Fix class voting for kNN

* Fix kNN kdtree examples

fix one-algorithm build and spicific prediction case after probabilit…

…y feature (oneapi-src#177)

Merge pull request oneapi-src#85 from dmitry741/dev/dmitrypa-sdl-err-…

…memory-handling

SDL: err-memory-handling

DAAL 2019 Update 4. Revision: 33235