Creating branch for NFFT-2.

git-svn-id: https://euler.mathematik.tu-chemnitz.de/repos/nfft/lib/branches/NFFT-2@4103 c8b3e4ef-9df4-0310-9d76-b6dd82e1323a
NFFT-3: Added code to deactivate all modules except the core NFFT one when long double or float is used.

git-svn-id: https://euler.mathematik.tu-chemnitz.de/repos/nfft/lib/branches/NFFT-2@4104 c8b3e4ef-9df4-0310-9d76-b6dd82e1323a
Test commit for testing git svn fetch.

git-svn-id: https://euler.mathematik.tu-chemnitz.de/repos/nfft/lib/branches/NFFT-2@4214 c8b3e4ef-9df4-0310-9d76-b6dd82e1323a
NFFT-2: Continued generalizing data types in several places. Feature parity between NFCT and NFST.

git-svn-id: https://euler.mathematik.tu-chemnitz.de/repos/nfft/lib/branches/NFFT-2@4232 c8b3e4ef-9df4-0310-9d76-b6dd82e1323a
reconfigure mex-interface for nnfft; add init_2d and init_3d functions


git-svn-id: https://euler.mathematik.tu-chemnitz.de/repos/nfft/lib/branches/nfft-3.3@4233 c8b3e4ef-9df4-0310-9d76-b6dd82e1323a
NFFT-2: Continued generalizing data types in several places. Feature parity between NFCT and NFST.

git-svn-id: https://euler.mathematik.tu-chemnitz.de/repos/nfft/lib/branches/NFFT-2@4235 c8b3e4ef-9df4-0310-9d76-b6dd82e1323a
Merging from nfft-3.3.

git-svn-id: https://euler.mathematik.tu-chemnitz.de/repos/nfft/lib/branches/NFFT-2@4236 c8b3e4ef-9df4-0310-9d76-b6dd82e1323a
Merging from NFFT-2.

git-svn-id: https://euler.mathematik.tu-chemnitz.de/repos/nfft/lib/branches/nfft-3.3@4237 c8b3e4ef-9df4-0310-9d76-b6dd82e1323a