Temporary increase of JVM memory for server tests
CI error investigations - temporarily disable tests using EsTester
CI error investigations - temporarily disable random execution of tests
CI error investigations - add logs to ServerTester
CI error investigations - add logs to ServerTester
CI error investigations - add verifications when creating index
End of CI error investigations - creation of ES indices was not synchronous, so failed on slow boxes
Shared elasticsearch instance for server tests
Fix thread leak in server tests
Use the shared Elasticsearch instance in EsTester
Revert previous commit to have faster build

This reverts commit 6516646e2f0b558ef81f8be705ae0c1764c0eb17.
Minor improvement in ServerTester
SONAR-5718 Fix syntax highlighting in the issues page
Fix sonar-data-test
Cosmetic refactoring of org.sonar.server.source.index
SONAR-5801 Use short instead of int in ES source line index (size optim)
Add server benchmarks
Add grunt jshint
SONAR-5871 Add duplications to file_sources
Fix execution of web medium tests. Fix minification of the js files