small fix for metadata community
remove SmartCachingStream
small fix for Session
add metadata community unit test
change file end-of-line from dos to unix
Merge pull request #500 from LipuFei/fix-metadata

small fix for metadata community
small fix for GuiImageManager
Merge pull request #506 from LipuFei/dos2unix

change file end-of-line from dos to unix
Merge pull request #504 from LipuFei/rm-cachestream

remove SmartCachingStream
Removed icon references
Merge pull request #508 from Tribler/dont_destroy

Removed icon references
Merge pull request #507 from LipuFei/small-fixes

small fix