Travis CI build fix;

[Antondomashnev]

Hi there,
This PR addresses the issue #148 . I was following the idea of having PL prefix for each macro.
As a suggestion @mickeyreiss what do you think about treating warnings as errors?

Also, I had to specify the ruby version to be able to run travis with slather gem.

[coveralls]

Coverage remained the same at 83.201% when pulling cd1aa6b on conichiGMBH:antondomashnev/fix_macro_reserved_warning into 4f64fff on PureLayout:master.

[Antondomashnev]

@mickeyreiss weird, but one of three jobs was failed. Don't know the reason yet.

[Lutzifer]

Looks more like a travis problem to me, than an actual problem with the code, can we get this merged?

[lkraider]

Already fixed with the merge of #154 (which has essentially the same changes). A new PR with travis fixes would be nice.

[Antondomashnev]

@lkraider do you have any idea what could be with Travis?

[lkraider]

Seems Ruby 2.3 binary is not available (we are using 10.9 env it seems):
https://rvm.io/binaries/osx/10.9/x86_64/

I think we need to:

• bump env to 10.11
• specify ruby 2.2 in .ruby-version
• build ruby 2.3 from source in before_install

references:
rvm/rvm#3686
travis-ci/travis-ci#5361

[Antondomashnev]

@lkraider thanks, I'll double check the travis error and will try to submit an update.

[Antondomashnev]

Hi folks, the Travis build is fixed, I'll rename the PR.

[lkraider]

Awesome, great work!

[mhillebrand]

I would love to see this get merged.

[mhillebrand]

Sweet! Thanks, @mickeyreiss. No more warnings when using Carthage. 😄 Now what about creating a new tag, since that's what Carthage looks for by default?

[mickeyreiss]

@mhillebrand Yep - I think it's about time to cut the release 📦 🦆

BTW - @mhillebrand @lkraider @Lutzifer I'd like to enlist your help maintaining the library. If you're interested, please contact me by email or on twitter.

[mhillebrand]

@mickeyreiss I'd be honored. PureLayout kicks ass. Maybe I could help convert the code to Swift?

[Antondomashnev]

@mickeyreiss I would also love to help converting it to swift 😄

[Lutzifer]

@mickeyreiss As I do not know, how much time i will be able to contribute I will keep doing PRs if necessary 😉

[lkraider]

@mickeyreiss Would love to contribute more, we use PureLayout in most our projects @nKey.