Fixed one NPE but still need to track down the problem with the
ListActivity race condition.
Data validation helper code
Per-measurement-object helpers for validating and printing data.
Unit tests for these objects.
Merge branch 'newmaster' of https://github.com/drchoffnes/MobiPerf into data_validation_helpers2

Conflicts:
	server/gspeedometer/controllers/validation_dashboard.py
	server/run_tests.py
Merge pull request #96 from drchoffnes/data_validation_helpers2

Data validation helper code
added account change to preferences.  changed server url and authenticate to allow anonymous account.
added dialog at the start when run for the first time
removed unncessary checks, account to use is one selected rather than first
fixed string compare, moved string to resources, default account now Anonymous account
Merge pull request #97 from mdwelsh/master

Fix NPE bug in updating measurement list.
Making the app debuggable
enforce default account to anonymous, reverted serverurl
initialize accountToUse
added back libs/myjson
reset myjson file from old commit
Merge pull request #99 from huangshu91/accountmerge

Add account selection with 'anonymous' option.
Merge remote-tracking branch 'upstream/master'
Ignoring generated .cfg file
Fix remove quotes method
Fix nits
Merge pull request #103 from dominic-goog/fix_removeQuotes

Fix remove quotes