[RAT-244] Change language level to 1.7 to allow building with more recent JDKs

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.12
• Fix Version/s: 0.14
• Assignee: Philipp Ottlinger
• Reporter: Philipp Ottlinger
• Created: 21/Oct/17 19:30
• Updated: 19/Jun/22 18:01
• Resolved: 24/Jun/19 18:43

Description

After discussions on the mailing list we've decided to update the Java language level to 1.7 for RAT.

Fix https://github.com/apache/creadur-rat/network/alerts afterwards and update plugins/dependencies to comply with JDK7.