update Lmod

docs.it4i/software/lmod.md

@@ -4,6 +4,18 @@ Lmod is a modules tool, a modern alternative to the oudated & no longer actively
 
 Detailed documentation on Lmod is available at [here](http://lmod.readthedocs.io).
 
+
+## How to activate Lmod enviroments?
+
+Create folder or file .lmod into your /home. (mkdir ~/.lmod)
+
+### Important dates 
+
+| Date       | Action                 |
+| ---------- | ---------------------- |
+| 2017-02-01 | Test mode              |
+| 2017-03-01 | Global deployment lmod |
+
 ## Benefits
 
 * significantly more responsive module commands, in particular module avail (ml av)