Modified MailClient and Mail to satisfy new requirements
Added Third and Fourth State.
Other states updated to suit the new command flow
Strings with Responses and Keywords for the new states added to strings.xml
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'

Conflicts:
	SpeechRecog/src/main/res/values/strings.xml
Merge remote-tracking branch 'upstream/master'

Conflicts:
	SpeechRecog/src/main/res/values/strings.xml
Added onHelpRequest for all MailVT states + their strings into strings.xml
Modified Keyword strings in order to make them regular expresions to work with them in the MailVT states
Changed MailClient Interface and addapted their implementations
Added onHelpRequest for all MailVT states + their strings into strings.xml
Modified Keyword strings in order to make them regular expresions to work with them in the MailVT states
Changed MailClient Interface and addapted their implementations

Modified Keyword strings in order to make them regular expresions to work with them in the MailVT states
Changed MailClient Interface and addapted their implementations
Lesser modifications in MockMailClient (Minor bug fixed)
Minor refactor MailVT State 2 and Initial state to improve usability.
Changed VTMail so it uses the Mock until main MailClient is fixed.
Added new posibilities to the commands in the State Four(Mail writing state).
Merge pull request #9 from DaniMunin/master

master