Merge pull request #6 from kartikm/master

Do not keep backup files in project
Added gitignore file.
Removed all .class files.
Formatting, making it neat.
'Why' is answered.
Added 'Primary User' section.
Minor. Added '?'s.
Added more steps on how to start application.
Added link to issues list.
Added Java installation, supported platform info
Updated GTTS java version requirement.
Removed redundant file. Fixes #11.
Removed redundant file.
Removed three redudant files.
Removed redundant file.
Removed redudant files.

- Files with .vf extension are SoundForge project files.
- partVoice1.wav and partVoice.vf are files used when partneme was unit of concatenation. No more needed.
Removed generated document html pages.