refactorized ``request`` page
Removed ``FatalErrorException`` since this is not publicly available.
cleanup ``countries_data``
- option to parse specific parts
- added function returning empty data
cleanup ``player_data``
- option to parse only specific part
- eleminated repeating xpath filtering
clean up ``coach_data``

- option to parse specific info
- eleminated repeating pattern of xpath filtering
refactorized ``teams_data``

- option to parse specific data about teams
- parse coach and players urls only (instead the whole stuff)
Added little bugfix concerning watching your own profile when coming from the users page.
refactorized ``match_data``

- option for parsing specific parts of the match data
- only pass team/player urls instead of parsing the whole stuff
Fixed notifications.
Merge branch 'master' of https://github.com/rubenvanassche/Programming-Project-Databases
refactorized ``competition_data``

- option to parse specific components of competition data
- fixed abbreviations of competition name
- also parse final stages of the competition (if available)
refactorized ``update_countries``
renamed ``teams_generator`` to ``teams_data``

- option to parse specific components
- no recursive parsing (faster)
Added numerous bug fixes.
Merge branch 'master' of https://github.com/rubenvanassche/Programming-Project-Databases
finished auto-update teams

- fixed missing "team url" in `team_data`
- auto-update teams (fifa points)
Merge branch 'master' of https://github.com/rubenvanassche/Programming-Project-Databases
updated sortable table styles
stylefix
style update
Merge branch 'master' of https://github.com/rubenvanassche/Programming-Project-Databases

Conflicts:
	public/css/style.css