Remove non-words from dictionary

.dictionary

@@ -71,7 +71,6 @@ mdrenum
 melodica
 microblogs
 microcontrollers
-middleground
 moleskine
 monkeypatch
 moto
@@ -109,7 +108,6 @@ specced
 stabby
 standardrb
 statham
-straightahead
 strawman
 subclassing
 telematics

content/elsewhere/aws-opsworks-lessons-learned/index.md

@@ -12,7 +12,7 @@ on a recent client project. The website describes OpsWorks as
 > a DevOps solution for managing applications of any scale or complexity
 > on the AWS cloud.
 
-You can think of it as a middleground between something like Heroku and
+You can think of it as a middle ground between something like Heroku and
 a manually configured server environment. You can also think of it as
 [Chef](http://www.opscode.com/chef/)-as-a-service. Before reading on,
 I'd recommend reading this [Introduction to AWS

content/elsewhere/using-microcosm-presenters-to-manage-complex-features/index.md

@@ -223,7 +223,7 @@ explain `getModel` better than I can:
 > `props` or `state` changes, and functions returned from model keys are
 > invoked every time the repo changes.
 
-The `render` method is pretty straightahead React, though it
+The `render` method is pretty straight-ahead React, though it
 demonstrates how you interact with the model.
 
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