First draft of sample widgets

Jira issue: wp-580
Updated readme files

Jira issue: wp-580
More updates to readme.md

Jira issue: wp-580
Folders refactoring for Arduino platform

Jira issue: WP-595
Implemented functionality for reading configuration parameters from SD
card in Arduino MEGA board

Jira issue: WP-595
Implemented dynamic IP assignment (DHCP) in HTTP driver for Arduino Mega board

Jira issue: WP-595
Policy manager: feature parameters
Added support for discovery feature parameters
Jira-issue: WP-484
Fixed connection bug in sendDataToAPI method.

Jira issue: WP-595
If I enter an address of the not existing Thunderbird file - then Pzp stops with error
Jira issue: WP-637
Made MAC address configurable from SD card for Arduino MEGA Board

Jira issue: WP-595
Just cleaning up
Jira issue: WP-637
Merge branch 'master' of https://github.com/webinos/Webinos-Platform into WP-637
Still cleaning up
Jira issue: WP-637
Merge pull request #398 from glatorre/WP-595

Implemented DHCP and SD card functionalities for Arduino Mega platform (WP-595)
Simplify the Windows daemon

Discovered it is possible to hide a node.exe console window using the CREATE_NO_WINDOW flag. This greatly simplifies the Windows daemon code as it no longer needs to run as a service. This also solves some security issues highlighted, namely the ability for different User Accounts to access each others PZP...

Jira issue: wp-654
Bug fix in widget server

Fixed bug where retrying the port connection fails if the port is already in use. Also bumped version numbers and copyright.

Jira issue: wp-654
Updated Windows installer

Updated and tidied up the Windows installer, removing all old commented out code. Updated webinos.js to latest version.

Jira issue: wp-654
First draft of Linux installer

This forms the structure and control files for creating the Linux installation package.
Merge pull request #402 from TobyEalden/wp-580

Create an example widget and signature guide
Merge pull request #394 from steverc/WP-484-pm-parametersSupport01

Policy manager: feature parameters