Set debug mode for after_failure and after_success.
Handle missing coveralls result.
Add some Git debugging.
Fix PR/fork check for doc upload.
Fix typo in README.md

Change:
cp .travis/travis.yml.in .travis
To:
cp .travis/travis.yml.in .travis.yml
Use run for anonimity in sample config
Merge pull request #7 from gergondet/topic/enhanceDefaultTravisYML

Topic/enhance default travis yml
Try to do make if make install failed

Usefull in case the install target does not exist
Merge pull request #8 from gergondet/topic/FixNoInstallTarget

Try to do make if make install failed
Work out of source

Set build/install dir out of source directory even when building not for debian

Avoid some side-effects of in-source build such as messing with cppcheck
Merge pull request #9 from gergondet/topic/WorkOutOfSource

Work out of source
Add NLopt install script.