Disable landscape selection until their release

Signed-off-by: Adam Stokes <adam.stokes@ubuntu.com>
add input validation

Signed-off-by: Adam Stokes <adam.stokes@ubuntu.com>
update description blurbs

Signed-off-by: Adam Stokes <adam.stokes@ubuntu.com>
Merge pull request #34 from battlemidget/patch-disable-landscape-selection

Patch disable landscape selection
Merge pull request #37 from battlemidget/patch-update-description-blurbs

Patch update description blurbs
Merge pull request #35 from battlemidget/patch-input-validation

Patch input validation