Docs cleanup (#2522)

* minor doc cleanup

* docs/tools: link fixes and readme

* docs/networks: networks/local/README.md

* docs: update vuepress config

* docs: fixes from review

docs/tools/README.md

@@ -0,0 +1,4 @@
+# Tools
+
+Tendermint comes with some tools for [benchmarking](benchmarking.md)
+and [monitoring](monitoring.md).

docs/tools/benchmarking.md

@@ -20,7 +20,7 @@ Blocks/sec     0.818     0.386      1        9
 
 ## Quick Start
 
-[Install Tendermint](../introduction/install)
+[Install Tendermint](../introduction/install.md)
 This currently is setup to work on tendermint's develop branch. Please ensure
 you are on that. (If not, update `tendermint` and `tmlibs` in gopkg.toml to use
 the master branch.)

docs/tools/monitoring.md

@@ -33,21 +33,21 @@ docker run -it --rm -p "26670:26670" --link=tm tendermint/monitor tm:26657
 
 ### Using Binaries
 
-[Install Tendermint](https://github.com/tendermint/tendermint#install)
+[Install Tendermint](../introduction/install.md).
 
-then run:
+Start a Tendermint node:
 
 ```
 tendermint init
 tendermint node --proxy_app=kvstore
 ```
 
+In another window, run the monitor:
+
 ```
 tm-monitor localhost:26657
 ```
 
-with the last command being in a seperate window.
-
 ## Usage
 
 ```