added branch header and version bump
Return early where possible.

Avoid multiple nesting of conditionals that cover the rest of the method by checking for the conditional inverse and returning early where possible. This makes the code easier to follow and understand.
Merge pull request #15 from GaryJones/feature/return-early

Return early where possible.
revert version bump until release

I will figure this out, git-flow, etc
use defined variable, similar to plugin
further simplify nested if statements in theme code
return earlier for undefined variables
made a comment more universal, moved variable declaration to code section it's used.
added warning re:multisite theme updating
version info and thanks to @GaryJones
oops, missed one