Fixes inspired by deployment

@haufs

List of fixes:

• Number of trains
• Another flag to use dir creating time
• Import of glob
• Arbitrary path for cal_db_interface
• Timeout for cal_db request
• Fix array size in case of different number of trains for the different gains

notebooks/LPD/LPDChar_Darks_Summary_NBC.ipynb

 %% Cell type:code id: tags:
 ``` python
 from collections import OrderedDict
 import warnings
 warnings.filterwarnings('ignore')
 
+import glob
 import h5py
 from IPython.display import display, Markdown, Latex
 import numpy as np
 %% Cell type:code id: tags:
 ``` python
 # Load constants from local files
 %% Cell type:code id: tags:
 ``` python
 mod_idx = np.argsort(mod_names)
 %% Cell type:code id: tags:
 ``` python
 display(Markdown('## Processed modules ##'))
 %% Cell type:code id: tags:
 ``` python
 q_pad = 15
 %% Cell type:code id: tags:
 ``` python
 if u'$' in tabulate.LATEX_ESCAPE_RULES:
 %% Cell type:code id: tags:
 ``` python
 header = ['Module', 'High gain', 'Medium gain', 'Low gain']