create openSDC main project with branches to the corresponding repositories

.gitmodules

+[submodule "opensdc-biceps-ornet"]
+	path = opensdc-biceps-ornet
+	url = https://gitlab.amd.e-technik.uni-rostock.de/opensdc/opensdc-biceps-ornet.git
+	branch = conhIT16_17
+[submodule "opensdc-mdpws-ornet"]
+	path = opensdc-mdpws-ornet
+	url = https://gitlab.amd.e-technik.uni-rostock.de/opensdc/opensdc-mdpws-ornet.git
+	branch = conhIT16_17
+[submodule "opensdc-jdpws-ornet"]
+	path = opensdc-jdpws-ornet
+	url = https://gitlab.amd.e-technik.uni-rostock.de/opensdc/opensdc-jdpws-ornet.git
+	branch = conhIT16_17

opensdc-biceps-ornet @ a294af33

+Subproject commit a294af33ad4e86830036397f3532a275cb340a4a

opensdc-jdpws-ornet @ add20232

+Subproject commit add202322471eb3173e4d9e231319647133163c1

opensdc-mdpws-ornet @ 67c03f52

+Subproject commit 67c03f522349ee4103dcc3f6acc7e94d90e93d3f