working on v0.7:
- send =>post;
- {nio,  nio2} => {nio, nio1, nio2}
update eclipse projects' settings
refactoring df4j-nio* continued.
refactoring df4j-nio* continued.
Merge branch 'work' of https://github.com/rfqu/df4j into work
bug fixed in Request;
all nio packages named nio, without digits.
nio* projects refactored. Work unstable, some debugging required.