Change InputStream to CloseShieldInputStream and close locally created
buffers after use
Make additional nanite-core change so resources are actually closed

Conflicts:
	nanite-hadoop/src/main/java/uk/bl/wap/hadoop/profiler/FormatProfilerMapper.java
Disabling the hadoop part as not ready for release.
Merge branch 'closeshield' of github.com:willp-bl/nanite into willp-bl-closeshield