Add checking for errors in frontmatter

.travis.yml

@@ -5,9 +5,6 @@ language: ruby
 # Cache Ruby bundles
 cache: bundler
 
-before_script:
-  - bundle exec github-pages versions
-
 # Assume bundler is being used, therefore
 # the `install` step will run `bundle install` by default.
 script: "bash -ex .travis-ci.sh"

EIPS/eip-158.md

@@ -4,7 +4,7 @@ title: State clearing
 author: Vitalik Buterin
 type: Standards Track
 category: Core
-status: Superseded
+status: Replaced
 created: 2016-10-16
 superseded-by: 161
 ---

EIPS/eip-190.md

@@ -1,7 +1,7 @@
 ---
 eip: 190
 title: Ethereum Smart Contract Packaging Standard
-Authors: Piper Merriam, Tim Coulter, Denis Erfurt (mhhf), RJ Catalano (VoR0220), Iuri Matias (iurimatias)
+author: Piper Merriam, Tim Coulter, Denis Erfurt (mhhf), RJ Catalano (VoR0220), Iuri Matias (iurimatias)
 status: Final
 type: Standards Track
 category: ERC

EIPS/eip-4.md

@@ -4,7 +4,7 @@ layer: Process
 title: EIP Classification
 author: Joseph Chow
 status: Draft
-type: Process
+type: Meta
 created: 2015-11-17
 ---
 

EIPS/eip-649.md

@@ -1,7 +1,7 @@
 ---
 eip: 649
 title: Metropolis Difficulty Bomb Delay and Block Reward Reduction
-Authors: Afri Schoedon, Vitalik Buterin
+author: Afri Schoedon, Vitalik Buterin
 type: Standards Track
 category: Core
 status: Final

EIPS/eip-8.md

@@ -4,7 +4,7 @@ title: devp2p Forward Compatibility Requirements for Homestead
 author: Felix Lange <felix@ethdev.com>
 status: Final
 type: Standards Track
-layer: Networking
+category: Networking
 created: 2015-12-18
 ---