Fixed STAMP-project/botsing#109.

[CoolTomatos]

In exceptionCoverage() of IntegrationTestingFF, if the highest frame of the resultException is from jdk, falls back to a lower frame to compare with the targetCrash
Because in JCrashPack, frames of jdk are left out in the log files.

[coveralls]

Pull Request Test Coverage Report for Build 418

• 4 of 5 (80.0%) changed or added relevant lines in 1 file are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.01%) to 61.973%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
botsing-reproduction/src/main/java/eu/stamp/botsing/fitnessfunction/IntegrationTestingFF.java	4	5	80.0%

Files with Coverage Reduction	New Missed Lines	%
botsing-reproduction/src/main/java/eu/stamp/botsing/ga/strategy/GuidedGeneticAlgorithm.java	1	90.34%

Totals
Change from base Build 403:	-0.01%
Covered Lines:	2425
Relevant Lines:	3913

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💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 409

• 4 of 5 (80.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.01%) to 61.998%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
botsing-reproduction/src/main/java/eu/stamp/botsing/fitnessfunction/IntegrationTestingFF.java	4	5	80.0%

Totals
Change from base Build 403:	0.01%
Covered Lines:	2426
Relevant Lines:	3913

---

💛 - Coveralls