new documentation about google apis

did this as part of working on google calendars and maps.

diff --git a/documentation/google_apis/google_apis_and_credentials.odt b/documentation/google_apis/google_apis_and_credentials.odt
new file mode 100755 (executable)
index 0000000..77ba9a0
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diff --git a/documentation/google_apis/google_apis_and_credentials.pdf b/documentation/google_apis/google_apis_and_credentials.pdf
new file mode 100755 (executable)
index 0000000..850665e
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