Merge pull request #6 from jeduan/master

Support for browserify
Updated readme
Small updates to docs
Disable goToPage target when bounds reached
Small fix to BOTH bounds detection
Bump to v0.0.9
Added dummy setOptions function
Small optimization to getSpec
Minor performance improvements
Removed unused clear spec function
Memory management: Dereference renderNode on destroy of LayoutNode
Performance: Do not use 'for in' (reported by chrome profiler)
Memory management: Dereference unused LayoutNodes
Performance: Various performance improvements to context.set
Performance: Small performance improvement due to code simplification
Refactored destroy of nodes into separate function
Performance/Memory: Added pooling of context-nodes to LayoutNodeManager
Added getItemSize callback for CollectionLayout
Fixe FlowLayoutNod.setSpec after previous optimisation code changes
Small fixes to previous optimisations