Add methods for paging
fix bugs in LinesManager
move method from StationsOnLine to Lines : dao
change controllers
add paging for linesbytwostations
Add cancel button to userEdit
Merge branch 'develop' of https://github.com/tranzero/SoftServe_Java-105_Project.git into develop
minor changes
some editing
minor change
Merge remote-tracking branch 'origin/develop' into develop
Add paging to allLines
edit Lines.java and LinesManagerImpl.java
add javadoc to some methods
moved common parts of methods in trips controller into private method
Made some minor changess.
moved realization of paging validation to Validator class
Merge remote-tracking branch 'origin/develop' into develop
change styles
Merge remote-tracking branch 'origin/develop' into develop