Cleaned up header inclusion.

Now all examples are including only the modules they really need. Also
each header file of the library is including only the necessary headers
making it possible to use these modules in parallel with other
implementations that may collide with the definitions in other modules.

examples/mb525/fancyblink/fancyblink.c

@@ -18,7 +18,8 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <libopenstm32.h>
+#include <libopenstm32/rcc.h>
+#include <libopenstm32/gpio.h>
 
 /* Set STM32 to 72 MHz. */
 void clock_setup(void)

examples/mb525/pwmleds/pwmleds.c

@@ -17,7 +17,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <libopenstm32/common.h>
 #include <libopenstm32/rcc.h>
 #include <libopenstm32/gpio.h>
 #include <libopenstm32/timer.h>

examples/stm32-h103/fancyblink/fancyblink.c

@@ -17,7 +17,8 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <libopenstm32.h>
+#include <libopenstm32/rcc.h>
+#include <libopenstm32/gpio.h>
 
 /* Set STM32 to 72 MHz. */
 void clock_setup(void)

examples/stm32-h103/miniblink/miniblink.c

@@ -17,7 +17,8 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <libopenstm32.h>
+#include <libopenstm32/rcc.h>
+#include <libopenstm32/gpio.h>
 
 void gpio_setup(void)
 {

examples/stm32-h103/spi/spi.c

@@ -17,7 +17,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <libopenstm32.h>
+#include <libopenstm32/rcc.h>
 
 void clock_setup(void)
 {

examples/stm32-h103/usart/usart.c

@@ -17,7 +17,9 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <libopenstm32.h>
+#include <libopenstm32/rcc.h>
+#include <libopenstm32/gpio.h>
+#include <libopenstm32/usart.h>
 
 void clock_setup(void)
 {