[artifactory-release] Release version 1.8.0
Prepare 1.8.x
OPAL-2546 Script validation commented until this issue is resolved
[artifactory-release] Release version 1.8.1
[artifactory-release] Next development version
remove-spss-variable-entity - remove the spss-variable-entity
[artifactory-release] Release version 1.8.2
[artifactory-release] Next development version
OPAL-2393: Adding summary statistics for text variables. Adding frequencies of null not-null values for continuous. Removed mode from binaryVariableSummary
Merge pull request #73 from emorency/magma-1.8.x

OPAL-2393: Adding summary statistics for text variables.
Remove Jacoco during build and configure Sonar
Add Jacoco pugin
Fix attributes join table name (OPAL-2552)
Simplify hasAttribute()
Fix attributes join table name (OPAL-2552)
Ignore IntelliJ warning
Ignore variable script validation tests
Merge branch 'jira/OPAL-2552' into magma-1.8.x
Fix attributes join table name (OPAL-2552)