fix paste info and deactivation scripts

Signed-off-by: Ricky Elrod <relrod@redhat.com>

roles/modernpaste/files/deactivate-paste.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 import sys
 sys.path.append('/usr/share/modern-paste/app')
+import modern_paste
 from util.cryptography import get_decid
 from database.paste import deactivate_paste
 

roles/modernpaste/files/paste-info.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 import sys
 sys.path.append('/usr/share/modern-paste/app')
+import modern_paste
 from util.cryptography import get_decid
 from database.paste import get_paste_by_id