add actual library code instead of zip file

Author: bolandrm

.gitignore

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+.DS_Store

libraries/Adafruit_ASFcore/Adafruit_ASFcore.h

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+# ASF (Atmel Software Framework) for Arduino Zero / Adafruit Feather M0 (SAMD21)
+
+Copy of ASF (Atmel Software Framework) excerpts for the SAMD21 processor used in the Arduino Zero / Adafruit Feather M0 boards.
+You typically won't use this library directly, instead other libraries will depend on this library and use the code
+within it to simplify their implementation.
+
+All code is taken directly from Atmel's ASF: http://www.atmel.com/tools/avrsoftwareframework.aspx?tab=overview
+
+The code is copyright Atmel and released by them under the following license:
+
+    Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
+    following conditions are met:
+    
+    1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
+    disclaimer.
+    
+    2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
+    disclaimer in the documentation and/or other materials provided with the distribution.
+    
+    3. The name of Atmel may not be used to endorse or promote products derived from this software without specific
+    prior written permission.
+    
+    4. This software may only be redistributed and used in connection with an Atmel microcontroller product.
+    
+    THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+    INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+    PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN
+    NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+    OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+    GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+    EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

libraries/Adafruit_ASFcore/README.md

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+/**
+ * \file
+ *
+ * \brief SAM Clock Driver
+ *
+ * Copyright (C) 2012-2015 Atmel Corporation. All rights reserved.
+ *
+ * \asf_license_start
+ *
+ * \page License
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * 3. The name of Atmel may not be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * 4. This software may only be redistributed and used in connection with an
+ *    Atmel microcontroller product.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * \asf_license_stop
+ *
+ */
+/*
+ * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
+ */
+#ifndef SYSTEM_CLOCK_H_INCLUDED
+#define SYSTEM_CLOCK_H_INCLUDED
+
+#include "compiler.h"
+#include "gclk.h"
+#include "clock_feature.h"
+
+#endif /* SYSTEM_CLOCK_H_INCLUDED */