Update version to 0.1.2.26

	modified:   paycoin.pro
	modified:   share/setup.nsi
	modified:   src/version.h

Update checkpoints.cpp

Update main.h

	modified: src/version.h

	modified: src/qt/forms/multisigdialog.ui

	modified:   src/qt/forms/qrcodedialog.ui

	modified: src/main.cpp