start branch to contribute alternate SPEC importer
refs #25, separate prjPySpec from current SPEC file importer, add resources to aid editing with eclipse and PyDev
refs #25: start a documentation page describing how to add an importer
refs #25: differentiate the two SPEC readers
refs #25: ignore warnings about unused imports
refs #25: provide the prjPySpec support to NeXpy
Added default axis to hklscan

This fixes the case where (for some unknown reason), an hklscan is
performed without h, k, or l varying.
Added progress bar to spec2nexus import
Transposed axes in prjpyspec imports of mesh data

Before this fix, the shape of 2D arrays was wrong (in my test example)
Revert c81670e..c381ca3

This rolls back to commit c81670ed17d4eafaeadc2196be4e4599d773a289.
Revert "Revert c81670e..c381ca3"

This reverts commit 357f5125c53e5aac21c9e7b4f44d959c25c89510.
Merge branch 'spec-25'

Conflicts:
	src/nexpy/readers/readstack.py