[AESH-266] Console return command Not found.

Console return command not found with environment variables
Merge pull request #93 from danielsoro/patch-1

[AESH-266] Console return command Not found.
[AESH-96]
need to rewrite how æsh handles line addition/removal since jansi fails when using some ansi codes when windows terminal buffer is full
Aesh JAR is now an executable (through java -jar)
Updated build.gradle with Main-Class manifest entry
[AESH-96]
most bugs should be fixed and this should hopefully fix the issue on windows
Merge pull request #94 from stalep/aesh-96

[AESH-96]
0.56
0.57 dev cycle