Fix findbugs warnings
Merge branch 'turenar/pom' into turenar/misc
ImageCacher#<init> do only clean caches

ImageCacher check cache file when fetching image
Cosmetics

remove Utility#toArray
remove unnecessarily pluginRepository
fix typo
when failed loading image-cache, try to fetch image
JobQueue: More Priorities
remove redundant modifier in JobQueue
Suppress taglist-maven-plugin warnings
cosmetics (missing in a38a89d)