Skip report categories if there no reports. Fixes #832.
Update CHANGES.txt with fix for issue #832
Fix panic when no MultiDecoder 'order' is set

MultiDecoder.getDecodedPacks assumes at least one item in chain, which
is built from order config field.

Updated docs to reflect 'order' being required.
Make the counts integer values

The extra decimal digits were causing the output to exceed the maximum.
Merge branch 'dev' into slowquery_5_5
Add a bloom filter to the sandbox and create a unique items filter
Merge pull request #835 from lann/fix_multidecoder_panic

Fix panic when no MultiDecoder 'order' is set
Merge branch 'fix/sigusr1-panic' of github.com:mattcottingham/heka into mattcottingham-fix/sigusr1-panic

Conflicts:
	CHANGES.txt
Merge branch 'mattcottingham-fix/sigusr1-panic' into dev
Merge pull request #837 from mozilla-services/slowquery_5_5

Make the counts integer values
Pull in the lua_sandbox bloom filter escaping update
Actually lets just pull in the latest sandbox tag
Merge pull request #840 from mozilla-services/bloom_filter

Add a bloom filter to the sandbox and create a unique items filter
Merge branch 'dev' into encoder

Conflicts:
	CHANGES.txt