Mac OS X fix: get a correct install_name for libflint.dylib
Merge pull request #58 from kiwifb/macos

Mac OS X fix: get a correct install_name for libflint.dylib
Update NEWS and version numbers.

Conflicts:

	flint.h
Fix to the documentation.
simplify code in fmpq_poly_add
slight cleanup of fmpq_poly_add/sub, and optimise equal denominators
avoid a case distinction
Merge remote-tracking branch 'fredrik/trunk' into trunk
fast-case squaring in _fmpz_poly_mul and _fmpz_poly_mullow
squaring optimisation in fmpq_poly_mul
have n_gcd take input in either order; update test and documentation
improve _fmpz_poly_inv_series, especially for short input (includes interface change)
improve _fmpz_poly_div_series
update copyright
take input length parameter in _fmpz_poly_revert_series methods
faster fmpz_poly_mul with small coefficients
call mul instead of mul_KS in div_divconquer (assume tuning is correct)
extend inline multiplication to 1x1 -> 2 limb case
fast path for _fmpz_poly_sqr
slightly simplify _fmpz_poly_mul