Fix the bug that int overflow can bypass the range check
ExecutorScheduler to wrap an Executor
Merge pull request #1269 from zsxwing/range-overflow

Fix the bug that int overflow can bypass the range check
Merge pull request #1272 from akarnokd/ExecutorScheduler

ExecutorScheduler to wrap an Executor
Fix Encoding/Formatting

The encoding on these files is not liked by Git and it is forcing them to be updated.
Merge pull request #1275 from benjchristensen/fix-formatting

Fix Encoding/Formatting
Javadoc overhaul: 1) standardize formatting, phrasing, terminology; 2) fill in gaps where javadocs (or parts of them) were missing; 3) add spurious @warn tags to cause build warnings for as-yet-unfilled gaps
Merge branch 'master' of https://github.com/Netflix/RxJava into docs
+ add a couple of javadoc improvements to merged changes