dev-haskell/pngload: port to latest parsec (clashed with lazy bytestring)

Signed-off-by: Sergei Trofimovich <siarheit@google.com>
dev-haskell/distributed-process-simplelocalnet: bump up to 0.2.2.0

Signed-off-by: Sergei Trofimovich <siarheit@google.com>