Updating INSTALL.md file to cope with the new deployment model. Thanks for the top, @Shaggygoblin!

Works the problem detected on : #16

Author: Lisias

INSTALL.md

@@ -14,6 +14,9 @@ To install, place the GameData folder inside your Kerbal Space Program folder. O
 * **REMOVE ANY OLD VERSIONS OF THE PRODUCT BEFORE INSTALLING**, including any other fork:
 	+ Delete `<KSP_ROOT>/ModuleManager*`
 		- Yes. Every single file that starts with this name.
+		- Older MM/L versions used to shove all files on `GameData`. This changed on 4.2.2.4.
+	+ Delete the directory`<KSP_ROOT>/ModuleManager/` if existant
+		- This is the new deployment model as 4.2.2.4
 * Extract the package's `GameData` folder into your KSP's root:
 	+ `<PACKAGE>/GameData` --> `<KSP_ROOT>/GameData`
 
@@ -22,12 +25,16 @@ The following file layout must be present after installation:
 ```
 <KSP_ROOT>
 	[GameData]
+		[ModuleManager]
+			[PluginData]
+				...
+			CHANGE_LOG.md
+			LICENSE
+			ModuleManager.version
+			NOTICE
+			README.md
 		000_KSPe.dll
-		ModuleManager.CHANGE_LOG.md
-		ModuleManager.LICENSE
-		ModuleManager.README.md
 		ModuleManager.dll
-		ModuleManager.version
 		...
 	[PluginData]
 		[ModuleManager]
@@ -37,9 +44,14 @@ The following file layout must be present after installation:
 	...
 ```
 
-Note: the `PluginData/ModuleManager` folder will be automatically created and populated after the first run.
+Note: the `<KSP_ROOT>/PluginData/ModuleManager` folder will be automatically created and populated after the first run.
+
+Additionally, don't mangle with `<KSP_ROOT>/ModuleManager/PluginData` as it contents is used by `ModuleManagerWatchDog` to keep `MM/L` healthy.
 
 ### Dependencies
 
 * [KSP API Extensions/L](https://github.com/net-lisias-ksp/KSPAPIExtensions)
+	+ Hard dependency, it will not work without it. 
+* [Module Manager Watch Dog](https://github.com/net-lisias-ksp/ModuleManagerWatchDog)
+	+ Soft Dependency. It's possible to run `MM/L` without `MMWD`, but it's highly recommended to install it and let it care about the `MM` (being it my fork or not) healthiness.