Fetch standard metrics from dbApi
Implement fixed intervals for plots
Refactor entityUtil
Refactor entityUtil
JFG-583
+ add period attribute to exact invocation load
Add docu for entityService
Merge branch 'master' of https://github.com/griddynamics/jagger into DbApi
revert master code
remove old code
JFG-553
+ fix init method of collector ProviderOfExampleSuccessRateCollector
+ collector and aggregator same as in Jagger.
JFG-583
add xsd docu for 'period' attribute.
JFG-583  max inaccuracy equals to tickInterval for test (not for one period)
+  notes in sendSamples method
+ code style . + anonymous class
dummy remove
Added inheritance to test
remove not using indexes to save memmory in database
Merge pull request #369 from amikryukov/monitoring-indexes

JFG-580 index of MonitoringStatistics table
Merge pull request #368 from amikryukov/archetype-fix

JFG-553 After commit ... archetype can not be compiled
Merge pull request #370 from amikryukov/remove-class

JFG-447 Remove unused class CompositeValidator
Merge https://github.com/griddynamics/jagger into JFG-570