Start conversation 1.8

Start conversation v1.8 changes:

Added can view permission.

Start conversation v1.7 changes:

Fixed issue with null condition throwing server error.

Start conversation v1.6 changes:

Added Exclude forums to options page.

Start conversation v1.5 changes:

Added Include forums to the Options page.

Start conversation v1.4 changes:

Added New conversation maximum, Exclude usernames and Exclude user groups to the options page.

Start conversation v1.3 changes:

Fixed issue with template modification calling a null variable.

Start conversation v1.2 changes:

Fixed issue with responsive mode not displaying Start conversation link.

Start conversation v1.1 changes:

No longer showing Start conversation link on posts where the author has been deleted.