Added link to the tools list from the feeding-carbon documentation because that is another great way to get metrics into Carbon. Added entry for txCarbonClient to the tools list.
Revert "Added link to the tools list from the feeding-carbon documentation because that is another great way to get metrics into Carbon. Added entry for txCarbonClient to the tools list."

This reverts commit 05f925a1dca1e39251cb8db5917526b1c500beaf.
Merge remote-tracking branch 'parent/master'
Split up the documentation for the tools and the APIs into separate pages and link to them from the feeding carbon page. Add a link to txCarbonClient on the APIs page.
Merge branch 'pr/469'

Closes #469