prototype of watching subsystem
continue working on watch subsystem
get an basic working prototype
finish work on watching subsystem.
some bug fixes i guess
some bug fixes
Merge branch 'watching' of github.com:plohoi-chelovek/zhanna into watching
simple prototype of operation subsystem
some improvments on base interface
create one realization of operation subsystem
some bug fixes
prototype of printing subsystem
prototype of printing subsystem
Merge branch 'printing' of github.com:plohoi-chelovek/zhanna into printing

Conflicts:
	src/main/java/ua/com/zhanna/printing/Printing.java
finish working on printing subsystem
keep on moving
all parts is there