Fix warnings

add missing mkdir in install

Clean up bits.

Remove DEFAULT_PRECISION as a thing
Revert default config to no LAPACK
Remove autogenerated file

Version bump

Merge branch 'master' of github.com:edrosten/TooN

TooN Version 2.0

New features: Matrix square root; general matrix logarithm; SL<>::ln(); SIM2 and
SIM3 groups; Fadbad++ integration for SO3 and SE3; CLAPACK compatibility.

Cleanups and bugfixes: consistent use of Precision and DefaultPrecision
throughout; better FADBAD++ integration; various platform compatibility fixes;
more consist integration various group objects; out of bounds for for builtin
SVD.

Version punt

Blank config.hh

Doc and version punt.

Removed old file