Fix problematic external links

.travis.yml

@@ -9,7 +9,7 @@ before_script:
 # the `install` step will run `bundle install` by default.
 script:
   - bundle exec jekyll build
-  - bundle exec htmlproofer ./_site --assume-extension --only-4xx --allow-hash-href
+  - bundle exec htmlproofer ./_site --assume-extension --allow-hash-href
 
 env:
   global:

docs/_doc/Japanese-Contracts-and-Transactions.md

@@ -37,7 +37,7 @@ blockchain 上で有効となる contract は Ethereum 特別仕様の バイナ
 flontier リリースでは、geth は Christian R. と Lefteris K が手がけた、コマンドライン [solidity コンパイラ](https://solidity.readthedocs.io/en/latest/installing-solidity.html) である `solc` をシステムコールで呼び出すことを通して、solidity コンパイルをサポートしています。
 以下もお試しください。
 * [Solidity realtime compiler](https://chriseth.github.io/cpp-ethereum/) (by Christian R) 
-* [Cosmo](http://meteor-dapp-cosmo.meteor.com) 
+* [Cosmo](https://github.com/cosmo-project/meteor-dapp-cosmo)
 * [Mix]() 
 * [AlethZero]()
 

docs/_doc/Setting-up-monitoring-on-local-cluster.md

@@ -1,7 +1,7 @@
 ---
 title: Setting up monitoring on local cluster
 ---
-This page describes how to set up a monitoring site, [like this one](http://eth-netstats.herokuapp.com/), for your private network. It builds upon [this page](setting-up-private-network-or-local-cluster) and assumes you've created a local cluster using [this script (gethcluster.sh)](https://github.com/ethersphere/eth-utils).
+This page describes how to set up a monitoring site for your private network. It builds upon [this page](setting-up-private-network-or-local-cluster) and assumes you've created a local cluster using [this script (gethcluster.sh)](https://github.com/ethersphere/eth-utils).
 
 The monitoring system consists of two components:
 

docs/_legacy/Mining.md

@@ -291,5 +291,5 @@ eth -m on -G -a <coinbase> -i -v 8 //
 * https://github.com/ethereum/wiki/wiki/Ethash
 * [Benchmarking results for GPU mining](https://forum.ethereum.org/discussion/2134/gpu-mining-is-out-come-and-let-us-know-of-your-bench-scores)
 * [historic moment](https://twitter.com/gavofyork/status/586623875577937922)
-* [live mining statistic](https://etherapps.info/stats/mining)
+* [live mining statistic](https://ethstats.net/)
 * [netstat ethereum network monitor](https://stats.ethdev.com)

docs/_legacy/geth.md

@@ -85,7 +85,7 @@ IRC Freenode channels:
 * `#dappdevs`: Dapp developers channel
 * `#ethdev`: buildserver etc
 
-[IRC Logs by ZeroGox](https://zerogox.com/bot/log)
+IRC Logs by ZeroGox
 
 ### Gitter 
 
@@ -100,7 +100,7 @@ IRC Freenode channels:
 
 ### The ZeroGox Bot
 
-[ZeroGox Bot](https://zerogox.com/bot)
+ZeroGox Bot
 
 ### Dapp developers' mailing list
 

index.html

@@ -22,7 +22,7 @@ css:
         <div class="col-md-7">
           <h2 class="featurette-heading">What is Ethereum?</h2>
           <p class="lead">Ethereum is a  decentralized platform that runs smart contracts, applications that run exactly as programmed without possibility of downtime, censorship, fraud or third party interference.</p>
-          <p class="lead">See <a href="https://ethereum.org" target="_blank">our website</a> or <a href="http://ethdocs.org/en/latest/introduction/what-is-ethereum.html" target="_blank">read the docs</a> for more infos!</p>
+          <p class="lead">See <a href="https://ethereum.org" target="_blank">our website</a> or <a href="https://www.ethereum.org/beginners/" target="_blank">read the docs</a> for more infos!</p>
         </div>
         <div class="col-md-5 hide-on-small-screen">
           <img class="featurette-image center-block" src="./static/images/ethereum.png" alt="Ethereum logo" height="300px">