To keep track of svg paths

// navigation tab icons
chat : M21 6h-2v9H6v2c0 .55.45 1 1 1h11l4 4V7c0-.55-.45-1-1-1zm-4 6V3c0-.55-.45-1-1-1H3c-.55 0-1 .45-1 1v14l4-4h10c.55 0 1-.45 1-1z
contact : M12 12c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm0 2c-2.67 0-8 1.34-8 4v2h16v-2c0-2.66-5.33-4-8-4z
groupV1 : M12,12.75c1.63,0,3.07,0.39,4.24,0.9c1.08,0.48,1.76,1.56,1.76,2.73L18,18H6l0-1.61c0-1.18,0.68-2.26,1.76-2.73 C8.93,13.14,10.37,12.75,12,12.75z M4,13c1.1,0,2-0.9,2-2c0-1.1-0.9-2-2-2s-2,0.9-2,2C2,12.1,2.9,13,4,13z M5.13,14.1 C4.76,14.04,4.39,14,4,14c-0.99,0-1.93,0.21-2.78,0.58C0.48,14.9,0,15.62,0,16.43V18l4.5,0v-1.61C4.5,15.56,4.73,14.78,5.13,14.1z M20,13c1.1,0,2-0.9,2-2c0-1.1-0.9-2-2-2s-2,0.9-2,2C18,12.1,18.9,13,20,13z M24,16.43c0-0.81-0.48-1.53-1.22-1.85 C21.93,14.21,20.99,14,20,14c-0.39,0-0.76,0.04-1.13,0.1c0.4,0.68,0.63,1.46,0.63,2.29V18l4.5,0V16.43z M12,6c1.66,0,3,1.34,3,3 c0,1.66-1.34,3-3,3s-3-1.34-3-3C9,7.34,10.34,6,12,6z
folder : M10 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V8c0-1.1-.9-2-2-2h-8l-2-2z

// control button icons
cross : M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z
plus : M19,13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z
back : M20 11H7.83l5.59-5.59L12 4l-8 8 8 8 1.41-1.41L7.83 13H20v-2z

// Geometric forms
circle : M12 2C6.47 2 2 6.47 2 12s4.47 10 10 10 10-4.47 10-10S17.53 2 12 2z
