added windows phone version

Conflicts:
	plugin.xml
Updated Plugin, refactored some library parts, added description to read me
ignore Intellij module files
[1.2.0] upped version

Conflicts:
	plugin.xml
removed unused reference
Change barcode scanner to work similar to the iOS and Android versions. In plugin.xml added reference to ZXing.Net so it is refered as plugin is installed. Similar to other platforms' versions, there is a focus area - only this area is scanned for barcodes.

Signed-off-by: Nadya Atanasova <nadya.it@gmail.com>
Change plugin.xml to use framework element

As updated plugman version.

Signed-off-by: Nadya Atanasova <nadya.it@gmail.com>