[1680] Poprawa do standardu pep8
[1680] Deleting unnecessary files
[1680] Correcting test passing problems
[1720] Correcting import syntax
[1720] Correcting import syntax
[1720] Correcting import syntax
Merge pull request #2 from kamilgrela/1720

[1720] correct import syntax
[1754] Adding tests
[1754] Correct tests
[1754] Correct tests
[1754] Correct tests
[1754] Deleting unnecessary files
Merge branch 'master' of https://github.com/stxnext-kindergarten/presence-analyzer-kgrela into bug_1754

Conflicts:
	src/presence_analyzer/tests.py
Merge pull request #3 from kamilgrela/bug_1754

[1754] Adding tests
[1810] Added presence start-end page
[1810] Added tests to new page
[1810] Code style correcting
[1810] Correct code style
Merge pull request #5 from kamilgrela/bug_1810

[1810] Added page for start-end view
Buildout.