Remove extra linefeeds in README.md.

Author: simonjwright

README.md

@@ -1,27 +1,10 @@
-This package includes GNAT Ada Run Time Systems (RTSs) based
-on [FreeRTOS](http://www.freertos.org) and targeted at boards with
-Cortex-M0, -M3, -M4, -M4F MCUs
-(respectively
-[BBC micro:bit](http://microbit.org),
-[Arduino Due](https://www.arduino.cc), and the STM32F4-series evaluation
-boards from [STMicroelectronics](https://www.st.com)). For discussions,
-visit the dedicated
-[Google Group](https://groups.google.com/forum/#!forum/cortex-gnat-rts).
+This package includes GNAT Ada Run Time Systems (RTSs) based on [FreeRTOS](http://www.freertos.org) and targeted at boards with Cortex-M0, -M3, -M4, -M4F MCUs (respectively [BBC micro:bit](http://microbit.org), [Arduino Due](https://www.arduino.cc), and the STM32F4-series evaluation boards from [STMicroelectronics](https://www.st.com)). For discussions, visit the dedicated [Google Group](https://groups.google.com/forum/#!forum/cortex-gnat-rts).
 
-The RTSs are all Ravenscar-based, with additional restrictions
-`No_Exception_Propagation` and `No_Finalization`.
-`No_Exception_Propagation` means that exceptions can't be caught
-except in their immediate scope; instead, a `Last_Chance_Handler` is
-called.
+The RTSs are all Ravenscar-based, with additional restrictions `No_Exception_Propagation` and `No_Finalization`. `No_Exception_Propagation` means that exceptions can't be caught except in their immediate scope; instead, a `Last_Chance_Handler` is called.
 
-In each case, the board support for the RTS (configuration for size
-and location of Flash, RAM; clock initialization; interrupt naming) is
-in `$RTS/adainclude`. Support for the on-chip peripherals is also
-included, in Ada spec files generated by
-[SVD2Ada](https://github.com/AdaCore/svd2ada).
+In each case, the board support for the RTS (configuration for size and location of Flash, RAM; clock initialization; interrupt naming) is in `$RTS/adainclude`. Support for the on-chip peripherals is also included, in Ada spec files generated by [SVD2Ada](https://github.com/AdaCore/svd2ada).
 
-The Ada source is either original or based on FSF GCC (mainly 4.9.1,
-some later releases too).
+The Ada source is either original or based on FSF GCC (mainly 4.9.1, some later releases too).
 
 The boards supported are
 
@@ -45,8 +28,7 @@ The boards supported are
   * On-chip peripheral support in `stm32f429x/`.
   * Tests in `test-stm32f429i/`.
 
-The standard packages included (there are more, implementation-specific,
-ones) for all RTSs are:
+The standard packages included (there are more, implementation-specific, ones) for all RTSs are:
 
     Ada
     Ada.Characters