driver/pd_8: Handled the case when 'parallels_dhcp_leases' file is inaccessible [GH-74]
Added unit test for 'read_guest_ip' driver method
Fix NFSNoHostonlyNetwork error since v0.2.2

- Regarding the commit 53065e9827
https://github.com/Parallels/vagrant-parallels/commit/53065e98271d5d09fcf2f28ea3402543eaa20ff5
Merge pull request #95 from YungSang/nfs

Fix NFSNoHostonlyNetwork error since v0.2.2
Version bumped to 'v1.0.2'
Release 'v1.0.2'

* master:
  Fix NFSNoHostonlyNetwork error since v0.2.2
  Added unit test for 'read_guest_ip' driver method
  driver/pd_8: Handled the case when 'parallels_dhcp_leases' file is inaccessible [GH-74]