Add first version of VES agent and vesmgr

Vesmgr starts VES agent with a hard-coded measurement
configuration.

The following parameters can be defined as environment variables:
VESMGR_HB_INTERVAL
VESMGR_MEAS_INTERVAL
VESMGR_PRICOLLECTOR_ADDR
VESMGR_PRICOLLECTOR_PORT
VESMGR_PROMETHEUS_ADDR

Change-Id: I2faf07fca10864d331d81c2c15b94b9f263402b5
Signed-off-by: Katri Turunen <katri.turunen@nokia.com>
diff --git a/.gitreview b/.gitreview
new file mode 100644
index 0000000..a05efcc
--- /dev/null
+++ b/.gitreview
@@ -0,0 +1,5 @@
+[gerrit]
+host=gerrit.o-ran-sc.org
+port=29418
+project=ric-plt/vespamgr/
+defaultbranch=master