Fixed a crash when downloading a publication and exiting app before finish
Fixed a rare crash when the author is switched right after marking a publication as read.
Merge branch 'develop-pre-api15' into develop

Conflicts:
	SITracker/src/main/res/values-ru/strings.xml
	SITracker/src/main/res/values/strings.xml
	SITracker/version.properties
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