Initial code added to Voice::Text

This is an initial attempt to get TTS working on OS X with the default TTS tools included in the OS.
Up to now TTS on OSX required separate code to be enabled under code/common. The idea is to integrate
TTS on OS X into MH just like the unix/windows interface is built.
Report error if messages sent to plm are of an incorrect length

- Add sub insteon_cmd_len to Message_Decoder. Returns expected byte length
- Add error message if command sent to plm is improper length

* After testing need to add coding to skip sending an incorrect message

Start of fix for Hollie/misterhouse#83
Pocketsphinx Error Message Addition

Add a log message to identify if the required sphinx_lm_convert
program cannot be found. This typically means that the Cmuclmtk
tool kit has not been installed.
Update for Android Support

o Update Generic_Item.pm such that single state values can be displayed on Android.
o Update Door_Item.pm with state values open/closed such that their state values can be display on Android.
Fix syntax errors.
Clear messages sent to PLM if of incorrect length
Remove no_hop_increase flag from NACK logic

Messages that are NACKed are dropped not resent.  So there is no concern that a hop_increase will be recorded.
POD added to ~_Items.pm
faq.pod update by Vargester requested by Stovenour
Enable DTR on the serial port when checking for new data from an MR26, as a CM17 on the same port may switch it off
Add a comment explaining why the DTR signal may need to be activated again
Merge pull request #106 from c99koder/MR26_FIX

Enable DTR on the serial port when checking for new data from an MR26
Merge pull request #105 from drobinson0919/master

POD added to ~_Items.pm
POD added to a dozen lib/~items.pm and doc/download.pod and html
Updated MHL to run from same directory as mhl script
Substituted BASH_SOURCE for $0
Merge pull request #100 from krkeegan/fix_issue_83

Drop Bad Messages Sent to PLM
Merge pull request #101 from krkeegan/hop_tracking

Remove no_hop_increase flag from NACK logic
Fix Issue #104:  Add Objects, Items, and Modules links to TOC
Fix Issue #112:  Update installation instructions

Rewrote quick install instructions for both Windows and Unix
Rewrote windows detailed install instructions steps 1 and 2
Modified many of the links to be consistent and use POD L<> syntax
Replaced references to misterhouse, Misterhouse, Mister House, MH, and mh with MisterHouse
Ran spell check and corrected many typos