Consistently use "sentence case" style

Try to be more consistent in how we capitalize things. Both the "Title
Case" and "Sentence case" styles are popular, so either would work.
Google and Mozilla both prefer "Sentence case", so let's follow them.

docs/API-internal.md

@@ -1,4 +1,4 @@
-# 1. Internal Modules
+# 1. Internal modules
 
 The noVNC client is composed of several internal modules that handle
 rendering, input, networking, etc. Each of the modules is designed to
@@ -9,7 +9,7 @@ stable, and this documentation is not maintained as well as the
 official external API.
 
 
-## 1.1 Module List
+## 1.1 Module list
 
 * __Keyboard__ (core/input/keyboard.js): Keyboard input event handler with
 non-US keyboard support. Translates keyDown and keyUp events to X11
@@ -32,9 +32,9 @@ callback event name, and the callback function.
 
 ## 2. Modules
 
-## 2.1 Keyboard Module
+## 2.1 Keyboard module
 
-### 2.1.1 Configuration Attributes
+### 2.1.1 Configuration attributes
 
 None
 
@@ -52,9 +52,9 @@ None
 | onkeypress | (keysym, code, down) | Handler for key press/release
 
 
-## 2.2 Display Module
+## 2.2 Display module
 
-### 2.2.1 Configuration Attributes
+### 2.2.1 Configuration attributes
 
 | name         | type  | mode | default | description
 | ------------ | ----- | ---- | ------- | ------------

docs/EMBEDDING.md

@@ -1,4 +1,4 @@
-# Embedding and Deploying noVNC Application
+# Embedding and deploying noVNC application
 
 This document describes how to embed and deploy the noVNC application, which
 includes settings and a full user interface. If you are looking for
@@ -71,8 +71,8 @@ query string. Currently the following options are available:
 * `logging` - The console log level. Can be one of `error`, `warn`, `info` or
   `debug`.
 
-## HTTP Serving Considerations
-### Browser Cache Issue
+## HTTP serving considerations
+### Browser cache issue
 
 If you serve noVNC files using a web server that provides an ETag header, and
 include any options in the query string, a nasty browser cache issue can bite
@@ -84,7 +84,7 @@ to always revalidate cached files using conditional requests. The correct
 semantics are achieved via the (confusingly named) `Cache-Control: no-cache`
 header that needs to be provided in the web server responses.
 
-### Example Server Configurations
+### Example server configurations
 
 Apache:
 

docs/LIBRARY.md

@@ -16,7 +16,7 @@ noVNC includes a small example application called `vnc_lite.html`. This does
 not make use of all the features of noVNC, but is a good start to see how to
 do things.
 
-## Conversion of Modules
+## Conversion of modules
 
 noVNC is written using ECMAScript 6 modules. This is not supported by older
 versions of Node.js. To use noVNC with those older versions of Node.js the

docs/novnc_proxy.1

@@ -30,7 +30,7 @@ provides a cut-and-paste URL to go to.
                           active connections
 
 .SH AUTHOR
-The noVNC Authors
+The noVNC authors
 https://github.com/novnc/noVNC
 
 .SH SEE ALSO