Introduce a configuration parameter for the Akkeeper Launcher timeout value

[izeigerman]

No description provided.

[coveralls]

Pull Request Test Coverage Report for Build 177

• 0 of 5 (0.0%) changed or added relevant lines in 1 file are covered.
• 5 unchanged lines in 4 files lost coverage.
• Overall coverage decreased (-0.3%) to 81.633%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
akkeeper/src/main/scala/akkeeper/launcher/LauncherMain.scala	0	5	0.0%

Files with Coverage Reduction	New Missed Lines	%
akkeeper/src/main/scala/akkeeper/master/service/MemberAutoDownService.scala	1	96.3%
akkeeper/src/main/scala/akkeeper/master/service/RequestTrackingService.scala	1	86.96%
akkeeper/src/main/scala/akkeeper/common/InstanceInfo.scala	1	90.91%
akkeeper/src/main/scala/akkeeper/deploy/yarn/YarnApplicationMaster.scala	2	90.44%

Totals
Change from base Build 175:	-0.3%
Covered Lines:	960
Relevant Lines:	1176

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💛 - Coveralls