Corrected javadoc text

This patch includes trivial javadoc text correction.
Merge pull request #2434 from sslavic/patch-1

Corrected javadoc text
Fixed issue #2413. Fix remote sb-tree bonsai according to protocol v 21 spec
Fix test failure
Distributed: fixed minor bugs
Storage can not be opened if restore process failed.
(cherry picked from commit b13b2d9)
Releasing 1.7.2 hotfix
Merge branch '1.7.2'
Merge tag '1.7.2' into develop
1.7.2 version was merged in develop branch.