I think that the problem with libqt4-dev is understood from this line:
libqt4-dev(inst 4:4.7.0~beta2-0ubuntu2 ! << wanted 4:4.7.0~beta2)|libqtwebkit-dev(missing)
in ubuntu there is -0ubuntu2 version which is not << than 4:4.7.0~beta2.
practically 4:4.7.0~beta2 is equal to 4:4.7.0~beta2-0
I think that the problem with libqt4-dev is understood from this line: beta2-0ubuntu2 ! << wanted 4:4.7.0~ beta2)| libqtwebkit- dev(missing)
libqt4-dev(inst 4:4.7.0~
in ubuntu there is -0ubuntu2 version which is not << than 4:4.7.0~beta2.
practically 4:4.7.0~beta2 is equal to 4:4.7.0~beta2-0