send metric as floats, not strings

causes... problems
distinguish between ints and doubles
Add missing tx errors to riemann-net
Merge pull request #45 from digital-science/resmon_float_metric

resmon: don't send metrics as strings
Merge pull request #44 from digital-science/add_tx_errs_to_net

Add missing tx errors to riemann-net
Add SSL support for riemann-riak
Merge pull request #46 from wayfair/master

Add SSL support for riemann-riak
Add a simple elastic search check
Merge pull request #48 from digital-science/add_elasticsearch

Add a simple elastic search check