Tests for Chdir, RRfile in util.py

Version:   2014.1009.20
Change-Id: I866573f5bb862bdb054d6a7106270aae12e49d6c
Skip test_touch_ls_access when HPSS is unavailable

 - Also, fix misspelling of "HPSS Unavailable"

Version:   2014.1009.21
Change-Id: I72f09baafdb45e31359e7735f9670b7ea1028b85
Empty caller test for Alert

Version:   2014.1009.22
Change-Id: Ic1f6eb51bc8a56f9e0fd8a4d62427b86a37a331a
Use HpssicError rather than StandardError

Version:   2014.1009.23
Change-Id: Ia8ae188e909529004f15b4ff6ebf9554cbc6d435
Better test coverage for util.py

 - Also support debug on test function entry, controlled from py.test
   command line

Version:   2014.1009.24
Change-Id: I846e2197ae3a1ea3824ebc7a86eba91f9e242440
Add tests for util.lsp_parse()

 - Also added doc strings for all test functions

Version:   2014.1009.25
Change-Id: Iaf88641b002212220724403cb102f7c4a458e151
Better coverage for CrawlConfig

Version:   2014.1009.26
Change-Id: I076745369cefbb4a19ea8f8777c049c3aab678d9