segfault fixes

Changes:

• OpenMP now explicit with private and shared members
• Removed omp_get_max_threads which can break on large clusters with many threads.
• includes Toral and Neils change to fix segfaults from too few knots
• bayesline now starts in prior
• Nthreads is set to 1 when not specified (reflected with bayeswave_pipe) with a warning message
• Updating version to 1.1.0