UI changes of JS SDK Reference doc

Merge pull request #14 from contentstack/cache_hotfix

solved the cachepolicy issue

Release 3.5.0

• Added sync() method.

Release 3.4.0

Features:

• New addParam() method added.
• Added support for NativeScript

Image Transformation SDK

Feature:

• New .imageTransform() method added

Changes:

• deprecated .findOne() from Query
• deprecated .includeSchema() from Query
• Query parameter for include[] changed(array indexes are removed).

Introduced Assets Delivery

Feature:

• Assets delivery with find() and fetch() function are introduced.

Introduced Assets Delivery

Feature:

• Assets delivery with find() and fetch() function are introduced.

Hotfix 3.1.1

Bug Fixes:

• Boolean value not working in "where" query
• only() and includeReference() query not working in reactnative ios

Release 3.1.0

Changes:

• Code Revamp: ECMA6
• React Native support added
• Webpack upgraded

Bug Fixes:

• Fixed unwanted authtoken appending in embedded assets url in RTE field

Release 3.0.1

Fixes:

• Issue with the support for import attribute on client side
  (isomorphic support)

Enhancement:

• Multiple stacks can be configured rather than a singleton Stack
  Object