updated README and POM.xml files to version 0.0.5-SNAPSHOT
added scope to compile-time dependencies
FIXED: https://github.com/Pi4J/pi4j/issues/23
Native library loader not working with JDK8 early release.
FIXED: https://github.com/Pi4J/pi4j/issues/23
Native library loader not working with JDK8 early release.
Merge branch 'develop' of https://github.com/Pi4J/pi4j.git into develop

Conflicts:
	pi4j-core/src/main/java/com/pi4j/util/NativeLibraryLoader.java
added garage door/gate opener impl
fixed POM issue where soft-float native library was not getting
deployed
added gpio digital multipurpose pin and example code
Added support for PCF8574 GpioProvider
Added sample code for using PCF8574 GpioProvider
Updated sample code build shell script
fixed reported defects in PCF8574GpioProvider
moved PCF8574* classes to .pcf namespace instead of *.ti (since multiple
vendors make this chip)
updated PCF8574 gpio example to include pin shutdown state behavior
moved the pin shutdown logic earlier in the main() fn.
FIXED: https://github.com/Pi4J/pi4j/issues/26
SystemInfo.isHardFloatAbi() was not detecting hard-float correctly for
Oracle JDK SE8ea (early access release)
Added support for Motor and Stepper motor components. 
Added GPIO based stepper motor implementation and sample program.
updated stepper motor impl to support rotate() and step() functions;
updated sample
Follow up on https://github.com/Pi4J/pi4j/issues/26
updated copyright date on all comment headers
added motion sensor interface and GPIO based impl
updated POM files to support development artifact transfers via SCP to
Pi.
added motion sensor interface and GPIO based impl
FIXED: https://github.com/Pi4J/pi4j/issues/25
.deb install/uninstall scripts would error if existing pi4j folder
existed prior to install or did not exists prior to uninstall.  Added
 command arguments to make the scripts more forgiving.