REVIEW: [NEXUS-6621] Include request.log in support zip

https://issues.sonatype.org/browse/NEXUS-6621

http://bamboo.s/browse/NX-OSSF92-1 :white_check_mark:
Suggest we replace usage of ApplicationConfiguration completely with ApplicationDirectories.  ApplicationConfiguration should probably be deprecated.

applicationDirectories .getWorkDirectory("conf") to replace its usage in this component.