Bump log4j 2.17

1.0.4

Tag

1.0.0-rc.2

This release also contains changes from 1.0.0-rc.1 release, specifically as follows:

• Upgraded HttpClient 3.x to 4.x. This contains major API changes, and will require you to consult the new documentation for reference. (#63)
• Upgraded log4j from 1.x to 2.x (#64)
• Package restructured from org.osaf.caldav4j to com.github.caldav4j
• Also, updated the Java version dependency to 1.8 and iCal4j to 3.0.1
• Refactored UID generation code. (#87)

For version 1.0.0-rc.2, we have:

• Merge PR from @teymourlouie for CalendarDataProperty NullPointerException. (#92)

For using the new version refer to: https://search.maven.org/artifact/com.github.caldav4j/caldav4j/1.0.0-rc.2/jar

0.9.2

• Fixes #74 , where properties were added twice.
• Also, to note, this will be the last version to use Apache HttpClient 3.x

For using the new version refer to: https://search.maven.org/artifact/com.github.caldav4j/caldav4j/0.9.2/jar