Tests
Test coverage support
Simplified .gitignore
Do not remove PHP_ADD_MAKEFILE_FRAGMENT
Do not remove tests/ directory
Fix line endings
Makefile.frag generation
Regenerated build/ files
Updated readmes [ci skip]
Typo fixes

Close #1245
Merge pull request #1308 from sjinks/issue-1245

Update README.md and CONTRIBUTING.md
Try to run phpt from PHPUnit
Merge pull request #1307 from sjinks/tests

More tests + test coverage
Merge pull request #1310 from sjinks/issue-1309

[FIX] Segmentation fault in \Phalcon\Tag::tagHtml
Do not run PHPT test suite from PHPUnit
Merge branch '1.3.0' into valgrind