auto merge of #4491 : yodalee/servo/update-ORGANIZATION-description, …

…r=jdm

This is a short update to ORGANIZATION.md. Since I just join this project, and cannot find the entry point described in this doc, so I search git log to figure out the description of each file and directory.
Any comment is welcome.

ORGANIZATION.md

@@ -2,35 +2,41 @@
 
 ## Servo components
 
-* `src/bin.rs`: Servo's entry point
-* `src/lib.rs`: libservo entry point
-* `components/layout`: The layout system.
-* `components/style`: The CSS styling system.
-* `components/script`: The JavaScript and DOM systems.
+*  components/servo : Servo main program.
+*  components/servo/main.rs : Servo's entry point.
+*  components/servo/lib.rs : libservo entry point.
+*  components/canvas : HTML canvas graphics operations.
 * `components/compositing`: The compositor and windowing systems.
+*  components/devtools : Server for remote Firefox developer tools.
 * `components/gfx`: Graphics rendering, fonts, and text shaping.
-* `components/net`: Networking, caching, image decoding.
+* `components/layout`: The layout system.
 * `components/msg`: Message structure definitions for inter-task communication.
-* `components/*_traits`: Trait definitions to break crate dependencies.
+* `components/net`: Networking, caching, image decoding.
 * `components/plugins`: Various compiler plugins and macros used by the rest of Servo.
+* `components/script`: The JavaScript and DOM systems.
+* `components/style`: The CSS styling system.
 * `components/util`: Various utility functions used by other Servo components.
+* `components/*_traits`: Trait definitions to break crate dependencies.
 
 ## Supporting libraries
 
 These libraries are either internal but used by Servo or external and need
 special integration:
 
+*  support/android : Android-specific infrastructure.
+*  support/android-rs-glue : Android apk builder.
 * `support/rust-task_info`: A binding to the task_info library on OS X.
+*  support/time : A temporary fork of libtime required for Android.
 
 ## Tests
 
-* `tests/contenttest.rs`: Content (JavaScript) test runner
-* `tests/contenttest`: Content tests
-* `tests/reftest.rs`: Reference (layout) test runner
-* `tests/reftest`: Reference tests
-* `tests/html`: Manual test cases and examples
-* `tests/power`: Tests for measuring power usage
-* `tests/wpt`: Web platform tests and harness
+* `tests/contenttest.rs`: Content (JavaScript) test runner.
+* `tests/content Content tests.
+* `tests/reftest.rs`: Reference (layout) test runner.
+* `tests/ref Reference tests.
+* `tests/html`: Manual test cases and examples.
+* `tests/power`: Tests for measuring power usage.
+* `tests/wpt`: Web platform tests and harness.
 
 ## Miscellaneous