Python 3 support on Mac (cztomczak#121, cztomczak#295) 

Python 3 support on Mac (cztomczak#121, cztomczak#295) 

Fix issues with examples on Windows with v55+ (cztomczak#294)... All examples do run fine on Windows now. Add run_examples.py tool to run all examples that can be run on current configuration.

Expose spell checking support API in the Browser object (cztomczak#274). See also Issue cztomczak#274 to see command line switches related to spell checking support. Run wxpython example after compile. Fix linux make-setup.py. Update tools/toc.py.

Update to Chrome 55.0.2883.59 and CEF 3.2883.1539.gd7f087e (cztomczak……#271). Update to Cython 0.25.2. Fix Certificate Transparency support causing some SSL sites fail to load after some time (cztomczak#279). Fix ApplicationSettings.cache_path not working (cztomczak#283). Fix: Not a clean shutdown in examples, when closing app while browser is still loading a website (cztomczak#282). Fix loading local filesystem urls that contained any of ? & = characters (cztomczak#273). Fix Request.SetPostData and GetPostData segmentation faults (cztomczak#228). Add ApplicationSettings.net_security_expiration_enabled. Update ExecuteJavascript docs with scriptUrl="" and startLine=1 default params. Also worth noting that ExecuteJavascript crashed in earlier CEF versions when startLine wasn't provided or was <= 0 (Issue cztomczak#268). Add a test that measures execution time for calling Python function from javascript and then js callback. Add Contributing guidelines / Issue template. Update automate.py, include ceftests executable.

Python 3.6 support (cztomczak#121). 

Update to Chrome 55.0.2883.21 and CEF 3.2883.1506.ga6c42a7 (cztomczak……#263), and others. This is CEF Python 55.1 beta release with Chrome 55 from beta channel. Add support for Python 3.6 (cztomczak#121). Update to Cython 0.25.1 (cztomczak#110). Build cefpython .so modules using clean Python installations as in pyenv to avoid invalid symbols being embedded in the .so module (cztomczak#266). Update CEF include/. Update patches/. Update compile.py. Run unit tests first and don't run gtk3 example temporarily until cztomczak#261 is fixed. Check if Cython version installed is the same as specified in tools/requirements.txt. Update examples - print filename when logging messages.

Update to Chrome 55.0.2883.21 and CEF 3.2883.1506.ga6c42a7 (cztomczak……#263), and others. This is CEF Python 55.1 beta release with Chrome 55 from beta channel. Add support for Python 3.6 (cztomczak#121). Update to Cython 0.25.1 (cztomczak#110). Build cefpython .so modules using clean Python installations as in pyenv to avoid invalid symbols being embedded in the .so module (cztomczak#266). Update CEF include/. Update patches/. Update compile.py. Run unit tests first and don't run gtk3 example temporarily until cztomczak#261 is fixed. Check if Cython version installed is the same as specified in tools/requirements.txt. Update examples - print filename when logging messages.

Create GTK 2 [PyGTK] example and rename GTK 3 [PyGObject] example (cz……tomczak#261).

Create GTK 2 [PyGTK] example and rename GTK 3 [PyGObject] example (cz……tomczak#261).