possibility to pass files with user properties to jagger
avoid uncertain result during division of BigDecimal
possibility to define monitoring metrics settings per line
same approach will be used for normalization later
same approach will be used for custom settings of monitoring parameters later
Merge pull request #476 from dlatnikov/JFG_668_Division_by_zero_when_tps_below_1

avoid uncertain result during division of BigDecimal
default user properties are also parsed by launcher now
renaming after review
Merge pull request #475 from dlatnikov/JFG_419_many_property_files

possibility to pass files with user properties to jagger
- better messages when validator fails
- ignore validators with empty names in WebUI
Merge pull request #481 from amikryukov/aggregators-with-set

JFG-699, JFG-700 add Settings to Aggregators
Merge pull request #479 from dlatnikov/JFG_500_add_measurement_units_to_GC

possibility to define monitoring metrics settings per line
update after review
Merge pull request #482 from dlatnikov/JFG_685_validator_error_message

- better messages when validator fails
user setup for monitoring metrics
more docu
+ take ceiling of division in CalculateIntervalSizeProvider
fix bug in dbapi - search by tag
Merge pull request #484 from dlatnikov/JFG_706_control_what_monitoring_is_collected

user setup for monitoring metrics
Merge pull request #486 from amikryukov/calculatedIntervalSizeProvider

CalculateIntervalSizeProvider can provide intervalsCount + 1 points(intervals)
Merge pull request #487 from dlatnikov/JFG_721_Search_by_tag_fails

fix bug in dbapi - search by tag
Merge branch 'master' of github.com:griddynamics/jagger into aggregators-settings-in-schema

Conflicts:
	chassis/core/src/main/java/com/griddynamics/jagger/engine/e1/aggregator/workload/MetricLogProcessor.java
	chassis/core/src/main/java/com/griddynamics/jagger/engine/e1/collector/MetricAggregatorSettings.java
	chassis/core/src/main/java/com/griddynamics/jagger/engine/e1/collector/MetricDescription.java