initial draft save stuff + hiding icon folder.
test fix
Fixed some draft bugs + added dialog asking if you want to save draft
when back is pressed in compose.
Updated activity labels to help indicate to user what is happening +
made app icon invisible in activity bar.
"Fixed" total filesize going below zero.
Added loading screens for all asynctasks.
Added class
Merge remote-tracking branch 'origin/khaled'

Conflicts:
	M@ilMaster/res/values/strings.xml
	M@ilMaster/src/TIG055st2014/mailmaster/AttachmentsActivity.java
	M@ilMaster/src/TIG055st2014/mailmaster/ComposeActivity.java
	M@ilMaster/src/TIG055st2014/mailmaster/MailFunctionality.java