Introducing Pillar Framework

Refactor of pillar-server and pillar-web into a single python package. This
simplifies the overall architecture of pillar applications.

Special thanks @sybren and @venomgfx

src/styles/vrview.sass

@@ -0,0 +1,75 @@
+html, body
+  background-color: #000
+  color: #eee
+  margin: 0px
+  padding: 0px
+  position: fixed
+  overflow: hidden
+  top: 0
+  bottom: 0
+  left: 0
+  right: 0
+
+.dialog
+  display: none
+  align-items: center
+  justify-content: center
+  font-family: sans-serif
+  font-size: 170%
+  position: absolute
+  width: 100%
+  height: 100%
+  background: rgba(255, 255, 255, 0.2)
+  -webkit-user-select: none
+  -moz-user-select: none
+  user-select: none
+  &.visible
+    display: flex
+  .wrap
+    padding: 30px 60px
+    margin: 20px auto
+    width: 60%
+    background: rgba(0, 0, 0, 0.8)
+    border-radius: 5px
+  h1
+    margin: 0
+
+a
+  color: skyblue
+  &:visited
+    color: skyblue
+
+#title
+  -webkit-user-select: none
+  -moz-user-select: none
+  user-select: none
+  position: absolute
+  top: 10%
+  width: 100%
+  font-size: 3em
+  font-family: 'Dosis'
+  opacity: 1
+  -webkit-transition: all 0.3s ease-in-out
+  -moz-transition: all 0.3s ease-in-out
+  transition: all 0.3s ease-in-out
+  margin: 0 0.5rem
+  &.hidden
+    opacity: 0
+
+#watermark img
+  position: fixed
+  overflow: hidden
+  left: 0
+  bottom: 0
+  opacity: 0.3
+  width: 24px
+  height: 24px
+  padding: 12px
+  &:hover
+    opacity: 1
+    -webkit-filter: drop-shadow(white 0 0 5px)
+
+canvas
+  cursor: -webkit-grab
+  &:active
+    cursor: -webkit-grabbing