Cpp-coveralls

* parse_gcov_file: handle empty/no lnum (140 by blueyed)
* added skip-ssl-verify argument (141 by nickmerwin)

* gcov: accommodate the execution_count format change in GCC 8.1 (by ueno)

* Python 3 compatibility (by nitnelave)
* Add YML config for exclude_lines_pattern. (by jkjjnitnelave)
* Add an option to provide a pattern of excluded lines (117 by nitnelave)
* Fix error reporting on non-git directory (114 by eddyxu)
* Adding `urllib3[secure]` to requirements.txt. (108 by mkfifo)
* Update README to reference supported environment variables. (107 by jtbandes)

* Support COVERALLS_ENDPOINT for Enterprise usage (106 by nickmerwin)
* Support for lcov .info file upload and max line coverage count (104 by sumedhghaisas)

* Recognize APPVEYOR_REPO_BRANCH environment var. (102 by jrfonseca)
* Generate POSIX paths on Windows. (101 by jrfonseca)
* Continue on errors decoding unsupported characters (99 by albfan)

* Source code may contain colons (93 by d-frey)
* Fix lcov exclusion keyword: end -> stop (91 by remram44)
* sudo not required (96 by d-frey)
* Use SVG instead of PNG (97 by d-frey)
* Add Python 3.5 support (by eddyxu)