Fix links to when.settle()

Previously the when.settle() links pointed to when.all().
Merge pull request #247 from luqmaan/patch-1

Fix links to when.settle()
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update installation.md for browser environments
amends based on bcav dictation
Merge pull request #231 from thanpolas/update-readme-when-on-browsers

update README for browser installation
Fix version number in changelog
Merge pull request #257 from KidkArolis/patch-2

Fix version number in changelog
A bit of streamlining in monitor stack trace capturing
Add es6 generator call, apply, lift
Fix jshint warnings
Bump versions, update changelog, add jsdoc for generator lift/call/apply
See #246. Allow synchronous inspecting of non-foreign-thenables in current tick
Deprecate extra promise-resolving behavior of when.reject
Start generator docs
Add when/generator docs
Fix monitor problem when rejecting with undefined
Revert d539709 which created incompatibilities in the monitoring APIs. Will re-evaluate for 3.x
Add info about vertx and web workers
Link to es6 generator docs