Merge pull request #1 from jdermont/master

jdermont, zadanie 1a-c
Solved 1a - 1d exercises.
Solved 1e exercise without Geospatial Queries.
Added stats from MongoDB Shell for collections.
Added link for maciej-malecki solutions to README.md.
Added number of different words for text8.
Merge pull request #4 from smt116/maciej-malecki

[Maciej Małecki] Solved 1a - 1e
Merge pull request #3 from jdermont/master

jdermont zadanie1d
Rozwiazanie zadania 1.
Poprawki.
Kolejne poprawki.
Poprawki.
Merge pull request #5 from mateuszpikora/master

Rozwiazanie Zadania 1.
Update README.md
Update jdermont.md
Pierwszy commit
Merge pull request #6 from konrad2402/master

Pierwszy commit
zadanie 1e