add WMS GetCapabilities parser for WMS 1.1.0, 1.1.1, 1.1.1 WMS-C profile and WMS 1.3.0
make Travis build pass again
add an example
use namespace URI instead of prefix as suggested by @tschaub and discussed with @ahocevar
Only listen once for tile events

Assuming browser garbage collection cannot happen while we have listeners in the global registry, we need to listenOnce to avoid memory leaks with the tile queue.
Apply transform matrix to text coords

With this commit the transform matrix is applied to each texture coordinate, as opposed to each fragment. This leads to less calculation on the GPU.
Use vec2 for vTexCoord
Merge pull request #193 from elemoine/shaders

Apply transform matrix to text coords
Change view.rotate params: rotation and optional anchor.
Merge pull request #192 from fredj/rotation

Change view.rotate params: rotation and optional anchor.
Merge pull request #180 from bartvde/wmscapsclean

add WMS GetCapabilities parser for WMS 1.1.0, 1.1.1, 1.1.1 WMS-C profile
Add equals to Rectangle
Add ol.ImageUrlFunction
Add ol.Image class
Add ol.layer.ImageLayer
Add ol.source.ImageSource
Add ol.renderer.canvas.ImageLayer
Add containsExtent to ol.Extent
Add scale to ol.Rectangle
Add ol.source.SingleImageWMS