Description of problem:
samba: add share resource fail if add share resource then delete it and again add share resource with same resource name

Version-Release number of selected component (if applicable):
version: 1.4.0-SNAPSHOT

How reproducible:


Steps to Reproduce:
1. Log in to imanage
2. Click on Overview and then Dashboard
3. Click on 'Samba Server' under the 'Recently Added  
     Resources'
4. Click on 'INVENTORY' and select the option 
    'OVERVIEW'
5. In 'Child Resources' there is selection box to select 
     '- Samba Share' or 'Services'. Select '- Samba Share' 
     and click on 'OK' button
6. To create new samba share, input given below 
     values and then click on 'SUBMIT' button
     Resource Name: myshare
     Name: myshare
     Path: /tmp/myshare
     Comment: myshare
7. Delete share resource 'myshare'
8. Create new samba share with 'Resource Name: myshare' and 'name: myshare'
  
Actual results:
add resource fail with following exception
An Augeas node already exists with path /files/etc/samba/smb.conf/target[.='myshare']

Expected results:
samba share resource should be create with resource name which has been deleted.

Additional info: