filename saved in PaintroidAppliaction
replace question when save option + log
FileIO class modified
getting loaded file for override
refactor file path variable
added FileName variable
no override option implemented, file load updated
added override boolean
distinguish between loaded file and new painting
override question save as
added Testcase override file
added Testcase save image different name
ignore  screen locked test
fix bug and remove comments
Merge branch 'master' into 11.13_replace_loaded_file

Conflicts:
	PaintroidTest/src/org/catrobat/paintroid/test/integration/BaseIntegrationTestClass.java
change method name
Merge branch '11.13_replace_loaded_file' of https://github.com/Catrobat/Paintroid into 11.13_replace_loaded_file
revert classfile
Revert "revert classfile"

This reverts commit d4990b8931830c664b34e867261df3282aa3d28a.
Merge pull request #127 from Catrobat/11.13_replace_loaded_file

11.13 replace loaded file
implementation: @X4mp [RU]
acceptance: @galstc05 [SG]