iOS, add support for PDF

Updated Document Types and import types.

Change-Id: Id7e5aef91cdf52783a83672becfd7bbb78f986ad
diff --git a/ios/LibreOfficeLight/LibreOfficeLight/Info.plist b/ios/LibreOfficeLight/LibreOfficeLight/Info.plist
index 8e26191..c50ff60 100755
--- a/ios/LibreOfficeLight/LibreOfficeLight/Info.plist
+++ b/ios/LibreOfficeLight/LibreOfficeLight/Info.plist
@@ -349,6 +349,7 @@
				<string>org.libreoffice.cdr-document</string>
				<string>org.libreoffice.visio-document</string>
				<string>org.libreoffice.mspub-document</string>
				<string>com.adobe.pdf</string>
			</array>
		</dict>
	</array>
@@ -1784,6 +1785,28 @@ file, You can obtain one at http://mozilla.org/MPL/2.0/.</string>
				</array>
			</dict>
		</dict>
		<dict>
			<key>UTTypeConformsTo</key>
			<array>
				<string>public.data</string>
				<string>public.composite-​content</string>
			</array>
			<key>UTTypeDescription</key>
                        <string>Apple PDF pasteboard type PDF data</string>
			<key>UTTypeIdentifier</key>
			<string>com.adobe.pdf</string>
			<key>UTTypeTagSpecification</key>
			<dict>
				<key>public.filename-extension</key>
                                <array>
                                        <string>pdf</string>
                                </array>
                                <key>public.mime-type</key>
                                <array>
                                        <string>application/pdf</string>
                                </array>
			</dict>
		</dict>
	</array>
</dict>
</plist>