Readme: cleaned apps
Removed HttpClientImageDownloader
Merge branch 'new_disk_cache_api'
Renamed DiscCacheUtils -> DiskCacheUtils
Update Readme
[maven-release-plugin] prepare release v1.9.2
[maven-release-plugin] prepare for next development iteration
v1.9.2
Prepare manifests for next version
Sample: static ViewHolders (thanks to @jaydeepw)