A few documentation updates for Pushover.pm
Added a sample script for testing Pushover
Merge pull request #390 from rudybrian/add_pushover_support

A few minor updates for Pushover support
Merge pull request #465 from hollie/add_pushover_support

Add pushover support
Insteon: Prevent Error Cause by Using old Read Table A Defintion

Using an old definition such as:
```
INSTEON_MOTIONSENSOR, DE.AD.BE, Garage_Motion, MotionSensors|hidden, PLM, 1001
```
Would cause an error, as discovered by @CityDweller.  This fixes that issue.
Merge pull request #466 from krkeegan/insteon_def_fix

Insteon: Prevent Error Cause by Using old Read Table A Defintion