Ignite 11584 simplify#37

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xtern wants to merge 21 commits intomasterfrom

IGNITE-11584-SIMPLIFY

Commits on Jun 27, 2019

Commits on Jun 28, 2019

IGNITE-11586 (Minor) method renamed, javadoc updated.
xtern
committed

Commits on Jul 1, 2019

IGNITE-11584 allocateRows() moved to CacheDataStore, createRows() removed, javadocs improved.
xtern
committed

Commits on Jul 3, 2019

IGNITE-11584 Minor code cleanup: method naming.
xtern
committed

Commits on Jul 8, 2019