List hooks in README ToC (ytti#1259)

* add hooks to readme toc

* remove unsightly colons

README.md

@@ -37,21 +37,26 @@ Check out the [Oxidized TREX 2014 presentation](http://youtu.be/kBQ_CTUuqeU#t=3h
     * [Debugging](docs/Configuration.md#debugging)
     * [Privileged mode](docs/Configuration.md#privileged-mode)
     * [Disabling SSH exec channels](docs/Configuration.md#disabling-ssh-exec-channels)
-    * [Sources:](docs/Sources.md)
-        * [Source: CSV](docs/Sources.md#source-csv)
-        * [Source: SQL](docs/Sources.md#source-sql)
-        * [Source: SQLite](docs/Sources.md#source-sqlite)
-        * [Source: Mysql](docs/Sources.md#source-mysql)
-        * [Source: HTTP](docs/Sources.md#source-http)
-    * [Outputs:](docs/Outputs.md)
-        * [Output: GIT](docs/Outputs.md#output-git)
-        * [Output: GIT-Crypt](docs/Outputs.md#output-git-crypt)
-        * [Output: HTTP](docs/Outputs.md#output-http)
-        * [Output: File](docs/Outputs.md#output-file)
-        * [Output types](docs/Outputs.md#output-types)
+    * [Sources](docs/Sources.md)
+      * [Source: CSV](docs/Sources.md#source-csv)
+      * [Source: SQL](docs/Sources.md#source-sql)
+      * [Source: SQLite](docs/Sources.md#source-sqlite)
+      * [Source: Mysql](docs/Sources.md#source-mysql)
+      * [Source: HTTP](docs/Sources.md#source-http)
+    * [Outputs](docs/Outputs.md)
+      * [Output: GIT](docs/Outputs.md#output-git)
+      * [Output: GIT-Crypt](docs/Outputs.md#output-git-crypt)
+      * [Output: HTTP](docs/Outputs.md#output-http)
+      * [Output: File](docs/Outputs.md#output-file)
+      * [Output types](docs/Outputs.md#output-types)
     * [Advanced Configuration](docs/Configuration.md#advanced-configuration)
     * [Advanced Group Configuration](docs/Configuration.md#advanced-group-configuration)
     * [Hooks](docs/Hooks.md)
+      * [Hook: exec](docs/Hooks.md#hook-type-exec)
+      * [Hook: githubrepo](docs/Hooks.md#hook-type-githubrepo)
+      * [Hook: awssns](docs/Hooks.md#hook-type-awssns)
+      * [Hook: slackdiff](docs/Hooks.md#hook-type-slackdiff)
+      * [Hook: xmppdiff](docs/Hooks.md#hook-type-xmppdiff)
 5. [Creating and Extending Models](docs/Creating-Models.md)
 6. [Help](#help)
 7. [Ruby API](docs/Ruby-API.md#ruby-api)