WIP: Change BAM correction to absolute

Fro both BOZ and DSSC binning analysis:

• BAM correction change from master 'BAM1932M' to slave 'BAM1932S' device
• BAM correction changed from relative (jitter) to absolute (drift)

Closes #38

doc/BOZ analysis part II.1 Small data.ipynb

@@ -474,7 +474,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "run, data = tb.load(proposal, runNB, ['PP800_DelayLine', 'nrj', 'BAM1932M'])"
+    "run, data = tb.load(proposal, runNB, ['PP800_DelayLine', 'nrj', 'BAM1932S'])"
    ]
   },
   {
@@ -503,8 +503,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "#BAM jitter correction\n",
-    "bam = r['BAM1932M'] - r['BAM1932M'].mean()\n",
+    "#BAM time correction\n",
+    "bam = r['BAM1932S']\n",
     "c_ = 299792458 *1e-9 # speed of light in mm/ps\n",
     "r['delay_ps'] = 2/c_*r['PP800_DelayLine'] - bam\n",
     "# converting back to mm after BAM correction\n",