Prevent parallel execution with registry

Merge pull request #39 from IntershopCommunicationsAG/preventparallel

add build registry to prevent parallel execution

Update JAXB libs and Gradle build

Update of JAXB to 2.3.3 (Latest version)
Synchronization removed
Build configuration updated

Remove deprecated configuration

Merge pull request #32 from IntershopCommunicationsAG/removedep

remove deprecated configuration

Code and Gradle update for Kotlin script

RELEASE_4.3.0

update documentation

Update to Gradle 6.1, Plugins update

Merge pull request #25 from IntershopCommunicationsAG/gradle61

Update to Gradle 6.1, Update plugins

Enabled for KTS

Code base moved to Kotlin
Add necessary methods for KTS
Adapt documentation

Jaxb configuration changed

Merge pull request #23 from IntershopCommunicationsAG/configchanged

Configchanged

Release without deprecation warnings in Gradle

deprecated methods are changed

Solve issue with Gradle debug option

Update Gradle
Issue solved
Output configuration of xic adapted

Update Gradle and Plugins Edit

Update Gradle to latest version (3.5.1)
Update build configuration (ascii doc plugin to version 2.0.0)
Deprecated methods replaced

(Build issues of 3.0.1 fixed)