SERVER-13507 increased stability of stepdown_wrt_electable.js by altering its use of parallel shells

(cherry picked from commit 8784c38f824b9666dd3c68b80cd6069ef2970694)
SERVER-13486 check obj size when building return of geonear cmd

(cherry picked from commit b4a2cc96b18cacdfece81215d9d8c7a3a84ba20a)
SERVER-13515 Check canonicalized version of logpath in Windows service startup

(cherry picked from commit b5c283687ce6c4a753f6c4ddfc5b79c464b23c75)
SERVER-13516 When failing to bulk right copy don't access rep after resolving

(cherry picked from commit e5be760537665a25da2bc632a111859f1b8bbf79)