Move the bin symlink into the build folder

Removes clutter from the root folder
No need to remove the bin folder now
Merge branch 'master' into ez-buildbin

* master:
  There are a few implicit casts stopping master from successfully testing/building in Realm.xcodeproj
  changelog
  Using the Realm’s schema when validating relationship queries.
  Core does only support link queries in the for X.Y.
  add transaction block helper
  Safer string conversion
  ANY does also work
  A little style
  Cleaning up unit tests and adding more explaination to the changelog
  Support for querying objects' RLMArray properties
  Updating changelog
  Adding basic support link queries
  Version bump
  make property initializer private, update swift
  add JP's dynamic tests, fix for setting usig object subscripting on standalone objects
Merge branch 'master' into ez-buildbin

* master:
  Upgrade to use core library version 0.80.3
  Move build.log into the build folder
delete build/bin, otherwise the symlink will fail
Merge pull request #633 from realm/ez-buildbin

Move the bin symlink into the build folder