Increase Documentation Coverage (#543)

* Added documentation to the `config` module

* Added an example to the `config` module

* Updated the docs in lib.rs regarding implementing backends

* Started writing an alternate backends walkthrough

* Mentioned the output.foo.command key

* Added example output

* Added a config section to the backends tutorial

* Finished off the backends tutorial

* Made sure travis checks mdbook-wordcount

* Fixed the broken link at in the user guide

* Changed how travis builds the project

* Added a conclusion

* Went through and documented a lot of stuff

* Added a preprocessors chapter and updated For Developers

Author: Michael-F-Bryan

Cargo.toml

@@ -20,19 +20,19 @@ chrono = "0.4"
 handlebars = "0.29"
 serde = "1.0"
 serde_derive = "1.0"
-error-chain = "0.11.0"
+error-chain = "0.11"
 serde_json = "1.0"
 pulldown-cmark = "0.1"
 lazy_static = "1.0"
 log = "0.4"
 env_logger = "0.5.0-rc.1"
 toml = "0.4"
-memchr = "2.0.1"
+memchr = "2.0"
 open = "1.1"
 regex = "0.2.1"
 tempdir = "0.3.4"
-itertools = "0.7.4"
-shlex = "0.1.1"
+itertools = "0.7"
+shlex = "0.1"
 toml-query = "0.6"
 
 # Watch feature
@@ -66,3 +66,5 @@ doc = false
 name = "mdbook"
 path = "src/bin/mdbook.rs"
 
+[workspace]
+members = ["book-example/src/for_developers/mdbook-wordcount"]

book-example/book.toml

@@ -1,7 +1,7 @@
 [book]
 title = "mdBook Documentation"
 description = "Create book from markdown files. Like Gitbook but implemented in Rust"
-author = "Mathieu David"
+authors = ["Mathieu David", "Michael-F-Bryan"]
 
 [output.html]
 mathjax-support = true

book-example/src/SUMMARY.md

@@ -16,6 +16,8 @@
         - [Editor](format/theme/editor.md)
     - [MathJax Support](format/mathjax.md)
     - [Rust code specific features](format/rust.md)
-- [For Developers](lib/index.md)
+- [For Developers](for_developers/index.md)
+    - [Preprocessors](for_developers/preprocessors.md)
+    - [Alternate Backends](for_developers/backends.md)
 -----------
 [Contributors](misc/contributors.md)