Split channel VST into 4 channels

closes #267 (closed)

• VST is split into 4 channels each if which is an array of a bit of the same bit position.
• The space between number of points' up/down label has been increase in this MR.

INSERT INTO Parameters VALUES('Pegasus GNSS status', 'upDownDots', 'Up:#FFFF00|Down:#FF0000', 'Up:#FFFF00|Down:#DDDD00', 2);

DELETE FROM Channels WHERE channel='VST' and dataType='Pegasus';
INSERT INTO Channels VALUES('VST0', '2D position fix', 'Pegasus GNSS status', NULL, 1, '', NULL,  'Pegasus');
INSERT INTO Channels VALUES('VST1', '3D position fix', 'Pegasus GNSS status', NULL, 1, '', NULL,  'Pegasus');
INSERT INTO Channels VALUES('VST2', 'Time fix', 'Pegasus GNSS status', NULL, 1, '', NULL,  'Pegasus');
INSERT INTO Channels VALUES('VST3', 'GNSS Engine', 'Pegasus GNSS status', NULL, 1, '', NULL,  'Pegasus');