Documentation improvements to memap.md

- Removed installation instructions
- Removed py.test instructions (not available atm)
- Pointing at mbed-os tools to raise issues

Author: mlnx

docs/memap.md

@@ -6,33 +6,21 @@ Note: this tool is only showing static RAM usage and the total size of allocated
 
 ## Table of Contents
 
-1. [Installation](#installation)
 1. [Using memap](#using-memap)
 1. [Running pytest](#running-pytest)
 1. [Current support](#current-support)
 1. [Known problems](#known-problems)
 
-## Installation
-
-*memap* lives in https://github.com/ARMmbed/memap.
-
-To get the latest version of *memap*, clone the repository and installed it:
-
-```
-git clone https://github.com/ARMmbed/memap
-cd memap
-python setup.py install
-```
-
 ## Using memap
 
-*memap* is a simple utility. These are the command line options:
+*memap* is a simple utility which is automatically involved after a mbed-os build.
+It's also possible to manually run the program with differnt command line options:
 
 ```
-$> memap
+$> python memap.py
 usage: memap-script.py [-h] -t TOOLCHAIN [-o OUTPUT] [-j] [-v] file
 
-Memory Map File Analyser for ARM mbed OS version 0.3.2
+Memory Map File Analyser for ARM mbed OS version 0.3.7
 
 positional arguments:
   file                  memory map file
@@ -51,7 +39,7 @@ optional arguments:
 Example:
 
 ```
-$> memap GCC_ARM\myprog3.map -t GCC_ARM
+$> python memap.py GCC_ARM\myprog3.map -t GCC_ARM
 
 +-----------------------------------+-------+-------+------+
 | Module                            | .text | .data | .bss |
@@ -88,26 +76,9 @@ Information on memory sections:
 - stack: used to store local data, temporary data when branching to a subroutine and context switch info; considered dynamic allocated memory region in RAM.
 
 
-## Running pytest
-
-- Run automated tests, for example:
-
-```
-$> py.test
-============================= test session starts =============================
-platform win32 -- Python 2.7.11, pytest-2.9.1, py-1.4.31, pluggy-0.3.1
-rootdir: ...\memap, inifile:
-collected 3 items
-
-test\test_memap.py ...
-
-========================== 3 passed in 0.11 seconds ===========================
-
-```
-
 ## Current support
 
-*memap* has been tested on Windows 7.
+*memap* has been tested on Windows 7, Linux and Mac.
 
 Supported map files generated by the following toolchains: gcc, ARM Compiler 5 and IAR.
 
@@ -116,4 +87,4 @@ Supported map files generated by the following toolchains: gcc, ARM Compiler 5 a
 This utility is considered 'Alpha' quality at the moment.
 The report generated may not be accurate and may vary from one toolchain to another.
 
-If you are seeing problems or would like new features to be added then please raise a ticket on [GitHub](https://github.com/ARMmbed/memap/issues).
+If you are seeing problems or would like new features to be added then please raise a ticket on [GitHub](https://github.com/ARMmbed/mbed-os/issues) and use the ```[memap] ``` in the title.