Small changes to the issues page

--HG--
branch : 1.1-dev
merged
Consolidate atrribute names in the testcases
Use consistent naming for the fixtures used in the test cases

--HG--
rename : wger/manager/fixtures/tests-user-data.json => wger/manager/fixtures/test-user-data.json
rename : wger/manager/fixtures/tests-workout-data.json => wger/manager/fixtures/test-workout-data.json
rename : wger/nutrition/fixtures/tests-ingredients.json => wger/nutrition/fixtures/test-ingredients.json
Add simple test case for the CSV export of weight entries
Remove mobile related code from default branch