Updated _pom.xml

Fix for #568 isssue
Update _build.gradle

Fix for #568 isssue
Update _gradle.properties

Fix for #568 isssue
Add pluginExecution for exec-maven-plugin.

Without this lines, a jhipster project will not be valid in Eclipse.
Make language toggle stay on the current page rather than sending the user to the homepage
Fix for Issue#550

FOUC problem has been fixed
Merge pull request #569 from BhawaniSingh/master

Fix for #568 isssue
Merge pull request #571 from jabby/master

Add pluginExecution for exec-maven-plugin.
Merge pull request #572 from sdoxsee/master

Make language toggle stay on the current page rather than sending the us...
Merge pull request #573 from jama707/master

Fix for Issue#550
Corrected unclosed tag
Removed changes from #573 because they break the menu
Fix #479
Corrected language issue mentioned in #573
user_roles updated on each routeChangeStart event #573

mentioned on #573
Merge pull request #577 from jama707/master

user_roles updated on each routeChangeStart event #573
Revert "user_roles updated on each routeChangeStart event #573"

This reverts commit f58754fce012e61f7873c7efea248704f850f9ed.
Corrected test classpath
Fix #520
Back to Liquibase 3.0.8 as the new version causes several bugs (including some classloader issues with "mvm test")